Public domain
BALCER & O'BRIEN. TRANSCONTINENTAL MOTOR CYCLISTS. BACK OF WHITE HOUSE
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBALCER & O'BRIEN. TRANSCONTINENTAL MOTOR CYCLISTS. BACK OF WHITE HOUSE. 1915-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.