Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg.
Verein der Freunde der Naturgeschichte in Mecklenburg.
Güstrow : Opitz and Company,
1847-1940.
Jahrg. 76-77 omitted from numbering.
With Supplements.
1889-1908 include as supplement:  Sitzungsberichte der Naturforschenden gesellschaft zu Rostock, 1889-1908.
Index to v.1-20, 1847-1866 in vol. 10, 20; to volumes 21-50, 1867-1896, published separately in 2 volumes; to  volumes 51-60, 1897-1906, in volume 61.
Suspended 1923-24 during which time the Archiv Mecklenburgischer Naturforscher was published.
Archiv der Freunde der Naturgeschichte in Mecklenburg
Archiv Mecklenburgischer Naturforscher