![IPUMS Metadata: Documenting 150 Years of Census Microdata]()
IPUMS Metadata: Documenting 150 Years of Census MicrodataHall, Patricia Kelly; Fitch, Catherine; Canaday, Margot; Ebeltoft-Kraske, Lisa; Ronnander, Carrie; Thomas, Kathleen M. · Historical Methods: A Journal of Quantitative and Interdisciplinary History · 1999