1. Lead and Lead Poisoning in Early America;McCord;Indust. Med.,1953
2. Lead and Lead Poisoning in Early America;McCord;Indust. Med.,1954
3. Lead and Lead Poisoning in Early America;McCord;Indust. Med.,1954
4. Lead and Lead Poisoning in Early America;McCord;Indust. Med.,1954
5. Threshold Limit Values for 1958;A.M.A. Arch. Indust. Health,1958