Past PLA National Conferences:
| 1983 | Baltimore | March 23-26 |
| 1986 | St. Louis | April 2-5 |
| 1988 | Pittsburgh | April 27-30 |
| 1991 | San Diego | March 20-23 |
| 1994 | Atlanta | March 23-26 |
| 1996 | Portland (OR) | March 26-30 |
| 1998 | Kansas City | March 11-14 |
| 2000 | Charlotte | March 29-31 |
| 2002 | Phoenix | March 13-16 |
Future Sites |
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| 2004 | Seattle | February 24-28 |
| 2006 | Boston | March 20-25 |