The below text is excerpted on pages 58 from Measuring America: The Decennial Censuses From 1790 to 2000.

(23’’ X 16’’, printed on two sides, space for 50 entries on each side, reverse side identical except for line numbers). After the schedules were printed, a question was added concerning the ‘‘mother tongue’’ of the foreign born. The responses were to be entered, as appropriate, in columns 12, 13, and 14. See instructions under ‘‘Nativity and Mother Tongue.’’

Except for detailed rules for house-to-house canvassing and for applying the ‘‘usual place of abode’’ criterion (‘‘the place persons may be said to live or belong, or the place which is their home. . .where a person regularly sleeps’’) in determining whether or not to list someone, the enumerators instructions for 1920 were substantially the same as for 1910. Age for children under 5 years was to be reported in complete years and months.