Universitätsbibliothek Heidelberg, Heid. Hs. 3695 EP 52,8 Pickering, Edward Charles; Wolf, Max [Adr.]: Briefe von Edward Charles Pickering an Max Wolf: Brief von Edward Charles Pickering an Max Wolf (Cambridge, Mass., 5.4.1906)

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HARVARD CoEEERE OBSERVATORY,

CAMBRIDGE, MASS.

Professor Dr. Max Wolf,

Director Astrophysical Observatory,

Koenigstuhl-Heidelberg, Germany.

Dear Sir:-

In response to your post card of March 16. I take

April 5, 19u6.
CUBH)