Iversen, Johannes, 1904- (Personal Name)

LCCN 64-18765: Faegri, K. Textbook of pollen analysis, 1964 (hdg.: Iversen, Johannes, 1904- ; usage: Johs. Iversen)

LC data base, 2-13-85 (hdg.: Iversen, Johannes, 1904- ; usage: Johs. Iversen)

Textbook of pollen analysis, 1975: t.p. (Johs. Iversen) pref. (Iversen died Oct. 1971)