Biblio
“Dendrochronology Of Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1985. 
. 1983.
Ferguson_Bristlecone Pine Project Status_1983.pdf (1.69 MB)

“Ramifications Of Chronology Building In Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1963. 
“Dendrochronology Of Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1984. 
“Report On The Chronology Phase Of The Bristlecone Pine Study”. Tucson: Laboratory of Tree-Ring Research.
. 
“Unsolicited Proposal Submitted To The Department Of Energy For Dendrochronology Of Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1980. 
“Interim Progress Report Dendrochronology Of Bristlecone Pine”. Tucson: Laboratory of Tree-Ring Research.
. 1968. 
“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.
. 1963. 