Oliver Perry Hay (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Oliver Perry Hay" in Polish language version.

refsWebsite

Global rank Polish rank

340^th place

254^th place

si.edu

siarchives.si.edu

William Cox: Record Unit 7188 – Oliver Perry Hay Papers, 1911–1930. Smithsonian Institution Archives. [dostęp 2009-08-15]. (ang.).