by Bruce G. Trigger ; based on field work, notes, and plans by the author ... [et al.] ; Alexander H. Jeffries, Jr., architect ; James Delmege, photographerPeabody Museum of Natural History of Yale University1967
by Kent R. Weeks ; based on field work, notes, and plans by the author and the director, and Peter Mayer ... [et al.]Peabody Museum of Natural History of Yale University1967