Robert Underwood Johnson (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Robert Underwood Johnson" in Dutch language version.

refsWebsite

Global rank Dutch rank

3,407^th place

low place

2,268^th place

low place

6^th place

25^th place

archive.org

Cohen, Michael P. (1988). The History of the Sierra Club: 1892–1970. Sierra Club Books, San Francisco, pages 8–9. ISBN 0-87156-732-6.

cdlib.org

oac.cdlib.org

(en) "Guide to the Robert Underwood Johnson papers, 1889-1924", Bancroft Library, Online Archive of California, online geraadpleegd op 12-04-2014.

nypl.org

(en) "Robert Underwood Johnson Papers, 1875-1937", New York Public Library, online geraadpleegd op 12-04-2014, pp. v-vi.