Book of the Werewolf(1973)
An anthology of stories edited by Brian J Frost
This contains: Huges the Wer Wolf by Sutherland Menzies; The White Wolf of Kostopchin by Sir Gilbert Campbell; The Eyes of the Panther by Ambrose Bierce; The Were Wolf Clemence Houseman; Mere Maxim Elliott O'Donnell; The Werewolf of Ponkert by H. Warner Munn; The Wolf of St. Bonnot by Seabury Quinn; The Kill by Peter Fleming; Eena by Manly Banister; The Drone by A. Merritt; The Adventure of the Tottenham Werewolf by August Derleth; Mrs Kaye by Beverly Haaf; and Pia! by Dale C. Donaldson.
Used availability for Brian J Frost's Book of the Werewolf