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Richard Lederer and Jim Ertner
2013
Richard Lederer and Stan Kegel
2012
Heidi Hayes Jacobs and Richard Lederer
2000
J. Ertner, Richard Lederer and Jim Ertner
2001
Rebecca Hinson, John Robuck and Richard Lederer
2022
Richard Lederer, Phillip Burnham and Philip Burnham
1976
Richard M. Lederer
1985
Richard Lederer
2005
1990
1989
1924
2020
