1. Cheng shi zhu hu huan jing wei sheng Publication: [Beijing? : Zhong yang wei sheng bu xuan chuan chu?, 1952] Subject(s): SanitationHygieneHealth EducationUrban HealthChina
2. Hygiene and sanitary matters Author(s): Winans, Ross, 1796-1877 Publication: Baltimore : J.P. Des Forges, 1872 Subject(s): HygieneSanitationUrban Health