Reports of the Princeton University Expeditions to Patagonia, 1896-1899 : J.B. Hatcher in charge /

At head of title: J. Pierpont Morgan Publication Fund.

Die Süsswasser-Flora Deutschlands, Österreichs und der Schweiz /

Title of later volumes and of second editions of earlier volumes changed to Die Süsswasser-Flora Mitteleuropas. 1930.

Flora italica cryptogama.

Issued in 28 parts; no more published.