British Envoys to Germany and British Envoys to the Kaiserreich
(Markus Mößlang)

Pauper Letters and Petitions for Poor Relief in Germany and Great Britain, 1770–1914 
(Andreas Gestrich and Steven King)

Nazis as Troop Commanders. The War Diaries of Theodor Habicht (1898-1944)
(Felix Römer — this link will take you to the Uni Mainz website)

Georg Wilhelm Schimper - In Abyssinia. Observations on Tigre - Online Edition
(Andreas Gestrich and Dorothea McEwan)