Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume II H-Le - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1979)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume I A-G - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume IV P-Sak - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1983)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume V Sal-Ste - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement III Br-Ca - Mennega, E. A. (Koeltz Scientific Books, 1995)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement I A-Ba - Mennega, E. A. (Koeltz Scientific Books, 1992)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement II Be-Bo - Mennega, E. A. (Koeltz Scientific Books, 1993)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume III Lh-O - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume VII W-Z - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1988)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Volume VI Sti-Vuy - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1986)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement IV Ce-Cz - Mennega, E. A. (Koeltz Scientific Books, 1997)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement V Da-Di - Mennega, E. A. (Koeltz Scientific Books, 1998)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement VI Do-E - Mennega, E. A. (Koeltz Scientific Books, 2000)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement VII F-Frer - Dorr, Laurence J. (A.R.G. Gantner Verlag K.G, 2008)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement VIII Fres-G - Dorr, Laurence J. (A.R.G. Gantner Verlag K.G, 2009)