Practical Tables For The Reduction Of Mahometan Dates To The Christian Calendar (1856)Johannes von GumpachAgotadoNotifícame
The treaty-rights of the foreign merchant, and the transit-system, in China supported throughout by official documents, partly unpublishedJohannes von GumpachAgotadoNotifícame
The Burlingame Mission: A Political Disclosure, Supported by Official Documents, Mostly Unpublished. to Which Are Added: Various Papers and DiJohannes von GumpachAgotadoNotifícame
Practical Tables for the Reduction of Mahometan Dates to the Christian Kalendar, Computed for the Use of Astronomers, Chronologers, Historians, DiplomJohannes von GumpachAgotadoNotifícame
The Treaty-rights of the Foreign Merchant, and the Transit-system, in China. Supported Throughout by Official Documents, Partly UnpublishedJohannes von GumpachAgotadoNotifícame