Douglas Houghton Campbell (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Douglas Houghton Campbell" in English language version.

refsWebsite

Global rank English rank

26^th place

20^th place

3,075^th place

3,035^th place

ipni.org

International Plant Names Index. Campb.

jstor.org

Wiggins, Ira L. (July–September 1953). "Douglas Houghton Campbell in the classroom and on the campus". American Fern Journal. 43 (3): 97–103. JSTOR 1545764.
Steere, William C. (1953). "Douglas Houghton Campbell (1858 - 1953)". The Bryologist. 56 (2): 127–133. JSTOR 3240354.