Von Gumpach, Johannes Die Zeitrechnung Der Babylonier Und Assyrer

Von Gumpach, Johannes The Treaty-Rights of the Foreign Merchant, and the Transit-System, in China

Von Gumpach, Johannes The Treaty-Rights of the Foreign Merchant, and the Transit-System, in China

Gumpach, Johannes von A Popular Inquiry Into the Moon's Rotation on her Axis

Gumpach, Johannes von Practical Tables for the Reduction of Mahometan Dates to the Christian Kalendar, Computed for the Use of Astronomers, Chronologers, Historians, ... and Sojourners in the East, and Others,...

Von Gumpach, Johannes Zwei Chronologische Abhandlungen: 'Ueber Den Apiskreis' Von R. Lepsius, Und 'Mémoire Ou Se Trouve Restitué ... Le Calendrier Lunisolaire Chaldéo-Macédonien' Par T.H. Martin, Kritisch Gewürdigt

Von Gumpach, Johannes The Burlingame Mission: A Political Disclosure, Supported by Official Documents, Mostly Unpublished. to Which Are Added: Various Papers and Discourses ... the True Nature of Actual Diplomatic Relati