- Boulder County, Colorado District Court, Petit Jury Records, 1867-1936: An Annotated Index
- Boulder County, Colorado School Census 1877: An Annotated Index
- Colorado Territorial Penitentiary, Board of Managers Reports, 1871-1877 : An Annotated Index of Marshals, Wardens, Guards, Board Members, Prisoners, and Local Businesses
- Colorado's Historical Assets : A Research Guide for Genealogists, Local Historians and History Buffs Containing a Treasure Trove of Museums, Ghost Towns, Courthouses, Historic Homes and Hotels, along
- Boulder County, Colorado Lodged Wills and Inheritance Tax Waivers, 1899-1975 : An Annotated Index