Biblio
. “Report On The Chronology Phase Of The Bristlecone Pine Study”. Tucson: Laboratory of Tree-Ring Research.
. 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.
. 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.
. 1968. “Interim Progress Report Dendrochronology Of Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1968. “Tree-Ring Growth In High-Altitude Bristlecone Pine As Related To Meteorological Factors: Research Proposal”. Tucson: Laboratory of Tree-Ring Research.

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