Friedrich August Wolf's encyclopädie der philologie. nach dessen vorlesungen im winterhalbjahre 1798-1799,

Mode of access: Internet.

Goethes Briefe an Friederich August Wolf.

Mode of access: Internet.

Wolf predation in the north country.

Mode of access: Internet.

The life of Joseph Wolf, animal painter /

"A catalogue of some of the principal works illustrated entirely or partly by Joseph Wolf": p. [291]-328.

Fuchs, Schakal und Wolf : vergleichende Morphologie des Schadels.

Thesis (doctoral)--Universitat Bern.

Wolf Trap Farm Park and Mary McLeod Bethune Council House : hearing before the Subcommittee on Public Lands and Reserved Water of the Committee on Energy and Natural Resources, United States Senate, Ninety-seventh Congress, second session, on S. 1999 ... S. 2436 ... July 2, 1982.

"Publication no. 97-111."