Arkivism
PAN AMERICAN SCIENTIFIC CONGRESS. EDUCATIONAL GROUP. P.P. CLAXTON, U.S. COMMR. ED., CENTER
Public domain

PAN AMERICAN SCIENTIFIC CONGRESS. EDUCATIONAL GROUP. P.P. CLAXTON, U.S. COMMR. ED., CENTER

Harris & Ewing · 1915-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
glass negativesunited statesdistrict of columbiawashington (d.c.)
Credit linePAN AMERICAN SCIENTIFIC CONGRESS. EDUCATIONAL GROUP. P.P. CLAXTON, U.S. COMMR. ED., CENTER. 1915-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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