The source for the handwritten canvass is New Mexico Election Returns 1911-1969, compiled by the New Mexico Secretary of State in 1970 and available at the state library in Santa Fe. The canvass was also printed in the New Mexico Blue Book 1921-1922.
Source for Popular Vote data: New Mexico Secretary of State, "For Governor," Tabular Statement of the aggregate vote cast in the State of New Mexico (Santa Fe, 1920)