Bibliographia Collectif

Bibliographia Academica, Vii, 1934-1954, Volume Ii

Bibliographia Academica, Faculteit Der Godgeleerdheid, Faculty Of Theology

Bibliographia Academica, Vi, 1914-1934

Bibliographia Academica, Vii/3, 1934-1954, Xi, 1956-1966

Bibliographia Systematica Orthopterorum Saltatoriorum: Systematic Bibliography Of Saltatorial Orthoptera From Linnaean Times To The End Of The 20th Century (About 1750 To 2000)