Die Fedorow-Methode  /
Nikitin, Vasiliĭ Vasilʹevich,1867-
Fedorov, E. S.(Evgraf Stepanovich),1853-1919.
Berlin : Verlag von Gebrüder Borntraeger,
1936.
"Geschichte der Methode und wichtigste Literatur": p. 3-8.
"This catalogue was compiled in its entirety by George H. Cobham, Art Consultant to the Franklin National Bank"--T.p. verso.
Crystallography.
United States Philadelphia.