International Sanitary Conference Washington. (1881). Proceedings of the International Sanitary Conference: Provided for by joint resolution of the Senate and House of Representatives in the early part of 1881. Govt. Print. Off..
Dyfyniad Arddull ChicagoInternational Sanitary Conference Washington. Proceedings of the International Sanitary Conference: Provided for by Joint Resolution of the Senate and House of Representatives in the Early Part of 1881. Washington: Govt. Print. Off., 1881.
Dyfyniad MLAInternational Sanitary Conference Washington. Proceedings of the International Sanitary Conference: Provided for by Joint Resolution of the Senate and House of Representatives in the Early Part of 1881. Govt. Print. Off., 1881.
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