• "
Catalogus codicum manu scriptorum Bibliothecae Regiae Monacensis", T. I–IV; edited with
Karl Felix Halm (1868–1881). • "
L. Caeli Firmiani Lactanti Opera omnia : accedunt carmina eius quae feruntur et L. Caecilii qui inscriptus est De mortibus persecutorum liber", edition of
Lactantius; with Samuel Brandt, 2 volumes (1890, 1897). • "
Die Tagebücher des Grafen August von Platen"; edited with Johann Ludwig von Scheffler, 2 volumes (1896, 1900) – The diaries of
Count August von Platen. • "
Denkwürdigkeiten des Grafen Maximilian Joseph v. Montgelas über die innere Staatsverwaltung Bayerns (1799–1817)"; edited with
Michael Doeberl, (1908) – Memoirs of Count
Maximilian von Montgelas on the internal state administration of Bavaria (1799-1817). Laubmann was also the author of several articles in the "
Allgemeine Deutsche Biographie". == References ==