Community sickness survey
Metropolitan life insurance company
conducted by the Metropolitan Life Insurance Company and the Chelsea Neighborhood Association
Metropolitan life insurance company 1917 Community sickness survey 5th
所蔵館1館
by Lee K. Frankel and Louis I. Dublin
Metropolitan life insurance company 1917 Community sickness survey 7th
所蔵館2館
Metropolitan life insurance company 1916 Community sickness survey 4th