 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Purdue University 8/13/98 - The lab in the Department of Chemistry 9/1/98 (Lafayette, July 12 - September 1, 1998)
 - Purdue campus 6/6/98 (Lafayette, May 24 - July 12, 1998)
 - Purdue campus 6/6/98 (Lafayette, May 24 - July 12, 1998)
 - near Agricultural Mall in Purdue campus 4/28/98 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 Fountain of Purdue University Mall. West Lafayette, Indiana, March 10, 1998.
 Purdue University Hall and Recitation Building. West Lafayette, Indiana, March 10, 1998.
 Purdue University Mall and Bell Tower. West Lafayette, Indiana, February 27, 1998.
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 Purdue University Memorial Union from State Street. West Lafayette, Indiana, March 10, 1998.
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 Pablo Serra and Huan Pablo Neirotti at a dinner in a restaurant near Purdue University. West Lafayette, Indiana, February 26, 1998.
 Fountain near John Purdue grave, Purdue University, West Lafayette IN, January 3, 1999.
 Purdue Mall and Administration Hall at Purdue University, West Lafayette IN, 20 June, 1999.
 Fountain of Purdue Mall and Bell Tower at Purdue University, West Lafayette IN, 20 June, 1999.
 S.-w. side of Purdue Mall, view from Electrical Engineering Building. Purdue University, West Lafayette, Indiana, October 29, 1999.
 Purdue Mall, the fountain, and Hall of Administration, view from Electrical Engineering Building. Purdue University, West Lafayette, Indiana, October 29, 1999.
 Purdue Memorial Union (student services). West Lafayette, Indiana, February 27, 1998.
 Fountain of Purdue University Mall. West Lafayette, Indiana, September 21, 1999.
 Founders Park in Purdue University. West Lafayette, Indiana, September 21, 1999.
 Purdue University Mall during afternoon hours. West Lafayette, Indiana, September 21, 1999.
 Purdue University Mall and Electrical Engineering Building. West Lafayette, Indiana, September 26, 1999.
 View of Purdue University Mall from the second floor of Electrical Engineering Building. West Lafayette, Indiana, September 21, 1999.
 - Purdue University (Dallas - West Lafayette, November 10 - 22, 1997)
 Purdue University Mall. West Lafayette IN, January 3, 1999.
 - Purdue University (Dallas - West Lafayette, November 10 - 22, 1997)
 - Purdue University (Dallas - West Lafayette, November 10 - 22, 1997)
 Purdue University, Administration Hall. West Lafayette IN, January 3, 1999.
 Purdue University Mall. West Lafayette, Indiana, October 10, 1999.
 Founders Park at Purdue University, West Lafayette IN, 20 June, 1999.
 - West to Lafayette and Ross Hills Park 7/26/98 (Lafayette, July 12 - September 1, 1998)
 - West to Lafayette and Ross Hills Park 7/26/98 (Lafayette, July 12 - September 1, 1998)
 - West to Lafayette and Ross Hills Park 7/26/98 (Lafayette, July 12 - September 1, 1998)
 - Morton Community Center in West Lafayette 9/5/98 (Lafayette, September 12 - 29, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 - Montmorenci (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 - Montmorenci (Lafayette, July 12 - September 1, 1998)
 - Morton Community Center in West Lafayette 9/5/98 (Lafayette, September 12 - 29, 1998)
 A lecture of Sabre Kais Phase transitions and critical phenomena for electronic structure of atoms and molecules (?) at internal meeting of the quantum chemistry group of Purdue University. West Lafayette, Indiana, September 21, 1999.
 Wetherill Laboratory of Chemistry at Purdue University. West Lafayette IN, January 3, 1999.
 Wetherill Laboratory of Chemistry at Purdue University, West Lafayette IN, 20 June, 1999.
 - Purdue University - Chemical Department (Dallas - West Lafayette, November 10 - 22, 1997)
 - Purdue University - Chemical Department (Dallas - West Lafayette, November 10 - 22, 1997)
 Brown Laboratories of Chemistry at Purdue University, West Lafayette IN, 21 June, 1999.
 - Purdue University - Chemical Department (Dallas - West Lafayette, November 10 - 22, 1997)
 - Northwestern Avenue in West Lafayette 9/19/98 (Lafayette, September 12 - 29, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - Celery Bog in West Lafayette 8/9/98 (Lafayette, July 12 - September 1, 1998)
 - Celery Bog in West Lafayette 8/9/98 (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 Pablo Nigra, Qicun Shi, Stephen Belair, Imad Ladadwa and Ricardo A. Sauerwein ready to listen a lecture of S. Kais at internal meeting of the quantum chemistry group of Purdue University. West Lafayette, Indiana, September 21, 1999.
 Frozen ornamental cabbage at Centennial Mall. Purdue University, West Lafayette IN, January 6, 1999.
 View of Nuclear Engineering Building from the lab at the Dept. of Chemistry. Purdue University, West Lafayette IN, January 6, 1999.
 Remains of a fan (?) and books after a fire in the theoretical chemistry lab of Purdue University at Memorial Day. West Lafayette, Indiana, June 1, 1999.
 A burned desk in the theoretical chemistry lab (there was a coffee pot?) after a fire at Memorial Day. Purdue University, West Lafayette, Indiana, June 1, 1999.
 Burned part of the theoretical chemistry lab (there was a bookshelf) after a fire at Memorial Day. Purdue University, West Lafayette, Indiana, June 1, 1999.
 A grey squirrel gnawing a nut on its home range near Mechanical Engineering Building. Purdue University, West Lafayette, Indiana, October 1, 1999.
 - Lafayette 9/12/98 (Lafayette, September 12 - 29, 1998)
 Cypress swamp-like lake in the heart of the University of Louisiana at Lafayette campus. Lafayette, Louisiana, May 20, 2007
 Jack Yang, Stephen Belair and Pablo Nigra in the lab of the Department of Chemistry (a little white fan later 5/31/99 caused a fire). Purdue University, West Lafayette IN, January 6, 1999.
 Students walking between Engineering Center and Engineering Laboratories. Purdue University, West Lafayette IN, January 6, 1999.
 A cypress pond in the University of Louisiana at Lafayette campus at sunset. Lafayette, Louisiana, May 20, 2007
 Cypress Lake in the University of Louisiana at Lafayette campus. Lafayette, Louisiana, May 20, 2007
 The Swamp in the University of Louisiana at Lafayette campus. Lafayette, Louisiana, May 20, 2007
 - The lab in the Dept. of Chemistry 9/29/98 (Lafayette, September 12 - 29, 1998)
 - The lab in the Dept. of Chemistry 9/29/98 (Lafayette, September 12 - 29, 1998)
 - West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
 - West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
 - West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
 - West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - A park near Celery Bog in West Lafayette 10/25/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
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