http://tags.library.upenn.edu/tag/instructions+united_states PennTags Feed http://tags.library.upenn.edu/makerecord/url/5906 http://tags.library.upenn.edu/makerecord/url/5906 Instructions given to census takers from 1850-2000. It's important to note that census takers filled out the forms until 1960, when self-enumeration began in part.<br />