Beyond the vertical /
Kor, Layton.
Gregory, Bob.
Whillans, Don,(Donald Desbrow),1933-1985,former owner.StEdNL.
Boulder, Colo. : Alpine House,
c1983.
Includes index.
Bookplate on recto of front free end-paper: From the library of Don Whillans.
Kor, Layton.
Mountaineers