William Bruce Leffingwell
(9)
William Henry Leffingwell
(5)
Randy Leffingwell/ Tom Loeser (PHT)
(3)
Albert 1845-1916 Leffingwell
(2)
Charles Wesley Leffingwell
(2)
Jodi L. Leffingwell Ed D.
(2)
Lee M. Cohen (EDT)/ Frank L. Collins Jr. (EDT)/ Alice M. Young (EDT)/ Dennis E. McChargue (EDT)/ Thad R. Leffingwell (EDT)
(2)
Randy Leffingwell/ David Newhardt (PHT)
(2)
Randy Leffingwell/ Tom Loeser
(2)
Dain Gingerelli/ Randy Leffingwell (PHT)
(1)
Darwin Holmstrom/ Randy Leffingwell
(1)
Darwin Holmstrom/ Randy Leffingwell (PHT)
(1)
Don MacMillan/ Harold L. Brock (FRW)/ Andrew Morland (PHT)/ Randy Leffingwell (PHT)
(1)
Edward F. Leffingwell Jr.
(1)
Georgia Williams Leffingwell
(1)