Past abstract books (WTTC1–16) are available at:
http://wttc.triumf.ca/proceedings.html
Past presentation records (WTTC15–17) are available at:
https://slideslive.com/wttc?tab=folders ↗
WTTC1
October 4–7, 1985
Heidelberg, Germany
WTTC2
September 22–25, 1987
Heidelberg, Germany
WTTC3
June 19–23, 1989
Vancouver, BC, Canada
WTTC4
September 9–12, 1991
Villigen, Switzerland
WTTC5
September 19–23, 1993
Upton, NY, USA
WTTC6
August 17–19, 1995
Vancouver, BC, Canada
WTTC7
June 8–11, 1997
Heidelberg, Germany
WTTC8
June 23–26, 1999
St. Louis, MO, USA
WTTC9
May 23–25, 2002
Turku, Finland
WTTC10
August 13–15, 2004
Madison, WI, USA
WTTC11
August 28–31, 2006
Cambridge, England
WTTC12
July 21–24, 2008
Seattle, WA, USA
WTTC13
July 25–28, 2010
Roskilde, Denmark
WTTC14
August 26–29, 2012
Playa del Carmen, Mexico
WTTC15
SlidesLive ↗
August 18–21, 2014
Prague, Czech Republic
WTTC16
SlidesLive ↗
August 29–September 1, 2016
Santa Fe, NM, USA
WTTC17
SlidesLive ↗
August 27–31, 2018
Coimbra, Portugal
WTTC18 ↗
August 21–26, 2022
Whistler, BC, Canada
WTTC19
August 25–30, 2024
Heidelberg, Germany