What has the author Claudia Elisabeth Schurr written?

Suzanne Schulze has written:

'Population information in nineteenth century census volumes' -- subject(s): Census, History, Indexes, Population, Sources

'Population information in twentieth century census volumes, 1950-1980' -- subject(s): Census, Census, 17th, 1950, Census, 18th, 1960, Census, 19th, 1970, Census, 20th, 1980, History, Indexes, Population, Sources