Biblio
“Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
. 1933. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Reports On The Conferences Of Cycles”. Washington, D.C. : Carneige Institution.
. 1929. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Dendrochronology And Studies In Cyclics”. University Of Pennsylvania Bicentennial Conference Proceedings. University Of Pennsylvania Bicentennial Conference Proceedings.
. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)