> Mehrbändiges Werk
-
4:
Studies in Primulaceae 4 The genus Dionysia in Afghanistan with descriptions of 6 new species by Per Wendelbo
Bergen [u.a.]: Norwegian Univ. Press, 1964
-
3:
Studies in Primulaceae 3 On the genera related to primula with special reference to their pollen morphology by Per Wendelbo
Bergen [u.a.]: Norwegian Univ. Press, 1961 [erschienen] 1962
-
1:
Studies in Primulaceae 1 A monograph of the genus Dionysia by Per Wendelbo
Bergen [u.a.]: Norwegian Univ. Press, 1961 [erschienen] 1962
-
2:
Studies in Primulaceae 2 An account of Primula subgenus Sphondylia (Syn. Sect. Floribundae) with a review of the subdivions of the genus by Per Wendelbo
Bergen [u.a.]: Norwegian Univ. Press, 1961 [erschienen] 1962