Ferdinand Beer,E. Johnston,John DeWolf,David Mazurek
(2)
Ferdinand P. Beer/ E. Russell Johnston Jr./ John T. Dewolf/ David Mazurek
(2)
David Beer (University of York)
(1)
David F. Beer/ David A. McMurrey
(1)
David King Dunaway/ Molly Beer
(1)
David King Dunaway/ Molly Beer/ Pete Seeger (FRW)
(1)
David Paul Jackson/ Janice A. Jackson/ Robert Beer (ILT)
(1)
Ferdinand Beer, Russell Johnston, David Mazurek
(1)
Ferdinand Beer,E. Johnston,David Mazurek
(1)
Ferdinand Beer,Jr. Johnston E. Russell,David F. Mazurek
(1)
Ferdinand Beer,Jr. Johnston E. Russell,David Mazurek,Phillip Cornwell,Brian Self
(1)
Ferdinand Beer/ E. Russell Johnston Jr./ David Mazurek
(1)
Ferdinand Beer/ E. Russell Johnston Jr./ David Mazurek/ Phillip Cornwell
(1)
Ferdinand Beer、E. Russell Johnston、David Mazurek
(1)
Ferdinand P. Beer, Jr. Johnston, John DeWolf, David Mazurek
(1)
Ferdinand P. Beer/ E. Russell Johnston Jr./ David F. Mazurek
(1)
Ferdinand P. Beer/ E. Russell Johnston Jr./ David F. Mazurek/ Phillip J. Cornwell/ Brian P. Self (COL)
(1)