McGinnies, WG. 1963. ?Continuation Of Studies On The Dendrochronology Of Bristlecone Pine (Pinus Aristata Englem.) (Continuation Of Research Grant Nsf-G 19949): A Research Proposal ?. Tucson: Laboratory of Tree-Ring Research.

McGinnies, WG. 1960. ?Dendrochronology Of Bristlecone Pine (Pinus Aristata Engelm) As A Basis For The Extension Of Dendroclimatic Indices: Research Proposal?. Tucson: Laboratory of Tree-Ring Research.