General Sources

1. 1920 Census
   

   1920 Census - Denver County, Colorado - Januaary 3, 1920
   |h#|Name            |rel|h|s|r|ag|m|sc|rd |wri|birth   |father  |mother  |trade  |type                   |twp
   |91|Neff, Charles R.|H  |R|M|W|52|M|  |yes|yes|Virginia|Virginia|Virginia|yes    |Carpenter Fixture Store|Denver -   City
   |  |Neff, Etta      |w  | |f|w|40|M|  |yes|yes|Missouri|Ohio    |Missouri|none   |                       |
   |  |Neff, Margaret  |dau| |f|w|19|s|No|yes|yes|Missouri|Virginia|Missouri|Cashier|Dry Goods              |
   |  |Neff, Robert    |son| |m|w|17|s|No|yes|yes|Missouri|Virginia|Missouri|clerk  |Grocery Store          |