LC control no. | n 90654550 |
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Personal name heading | Maack, Johann Hermann, 1809-1868 |
Found in | Stephan, R. Johann Hermann Maack, 1987: p. 12, etc. (b. 10/4/1809; d. 5/12/1868; building inspector of bridges and locks in Hamburg from 1841 to 1868) |