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2. Booker, Warren H. 1914a The Practical Rural Privy: Why So-called Sanitary Privies Are a Failure in the Country and a Partial Remedy Proposed. North Carolina Board of Health, The Health Bulletin 28(12):263–266.
3. 1914b City Privies: A Practical Design for Sanitary Privies for Urban Use. North Carolina Board of Health, The Health Bulletin 28(12):267–271.
4. Cain, William 1879 Sanitary Engineering. North Carolina Board of Health. Hale and Edwards, Broughton.
5. Clauser, John W. 1982 Test Excavations at Raleigh’s Union Square: An Inspection of Archaeological Remains at North Carolina’s Capitol. Manuscript, North Carolina Department of Cultural Resources, Division of Archives and History, Raleigh.