Trends in plant morphogenesis : essays presented to C. W. Wardlaw on his sixty-fifth birthday
edited by Elizabeth G. Cutter
John Wiley & Sons, 1966
 Buku Teks
Languages alive : essays dedicated to Jurgen Dassow on the occasion of his 65th birthday
edited by Henning Bordihn, Martin Kutrib and Bianca Truthe
Springer-Verlag, 2012
 eBooks
A festschrift for Peter Wexler : studies presented to Peter wexler by his friends and colleagues on the occasion of his sixtieth birthday
edited by Jacques Durand
Departement of Language and Linguistics University of Essex, 1983
 Buku Teks SO
Ut Videam : contributions to an understanding of linguistics : for Pieter Verburg on the occasion of his 70th birthday
edited by Werner Abraham and Pieter Adrianus Verburg
Peter de Ridder Press, 1975
 Buku Teks SO
The multivariate algorithmic revolution and beyond: essays dedicated to Michael R. Fellows on the occasion of his 60th birthday
edited by Hans L. Bodlaender
Springer, 2012
 eBooks