J. F. G. Umlauff
The UMLAUFF family were natural history dealers in Hamburg, UMLAUFF J.F.G. since 1868, Johannes UMLAUFF son since 1910, Gustav UMLAUFF since 1929.
Lit.:
HORN W. & KAHLE I., 1935: Über entomologische Sammlungen, Entomologen &…
The UMLAUFF family were natural history dealers in Hamburg, UMLAUFF J.F.G. since 1868, Johannes UMLAUFF son since 1910, Gustav UMLAUFF since 1929.
Lit.:
HORN W. & KAHLE I., 1935: Über entomologische Sammlungen, Entomologen &…