http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Texas guide for controlling cotton insects
The United States Department of Agriculture cooperating.
Z TA245.7 L47 no. L-218 [1965 November Revision]
Leaflet (Texas Agricultural Extension Service) ; 218 [1965 November Revision]