Census of the United States ([year]). Population.
1790 online for certain states. Search in Library's catalog to find URLs. Anyone can view.
Various call numbers for microfilm for 1850-1930. Search for call numbers in Library's catalog.
After 1790 we own primarily just western states.
Sanborn Fire Insurance Maps
Call number: Microforms under various call numbers. Search in the Library's catalog.
Of use to tell where buildings were and who owned them. We own the western states
Fire insurance maps in the Library of Congress: plans of North American cities and towns produced by the Sanborn Map Company: a checklist
Call number: Microforms Z6026 I7 U54 1981 (and in LASR)
UNR has their digitized paper Nevada Sanborn maps online in a collection titled Historic Maps
List of U.S. newspapers on microfilm available in the UNLV Libraries. List includes newspaper title, city, state, dates covered, and call number.
Here is a similar list for international newspapers, primarily from Great Britain.