| Philadelphia (Pa.). Board of Health - 1900 - 236 страници
1870 has appended: Remarks on the origin and mode of progression of yellow fever, in Philadelphia . . . in the months of July, August, and September, 1870. By R. LaRoche, M. D ... | |
| Philadelphia (Pa.). Board of Health - 1876 - 418 страници
1870 has appended: Remarks on the origin and mode of progression of yellow fever, in Philadelphia . . . in the months of July, August, and Spetember, 1870. By R. LaRoche, M. D ... | |
| Philadelphia (Pa.). Board of Health - 1875 - 810 страници
1870 has appended: Remarks on the origin and mode of progression of yellow fever, in Philadelphia . . . in the months of July, August, and Spetember, 1870. By R. LaRoche, M. D ... | |
| Philadelphia (Pa.). Board of Health - 1873 - 290 страници
1870 has appended: Remarks on the origin and mode of progression of yellow fever, in Philadelphia . . . in the months of July, August, and Spetember, 1870. By R. LaRoche, M. D ... | |
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