Holt, Denver W. books & textbook
Owls, Whoo Are They?
Mountain Press /1996-06-15 Paperback / 64 Pages
isbn-10: 0878423362 / isbn-13: 9780878423361
Snowy Owls: Whoo Are They?
Ford, Ansley Watson Holt, Denver W.
Mountain Press /2008-06-15 Paperback / 68 Pages
isbn-10: 0878425438 / isbn-13: 9780878425433