"1809"^^ . . . "John A. Dahlgren" . "1870"^^ . _:B7a813c30097d0592e7450d8263940617 . "John A." . "Dahlgren" . "Dahlgren, John Adolphus Bernard" . "Dahlgren, John A. (1809-1870)" . . . _:B7a813c30097d0592e7450d8263940617 . _:B7a813c30097d0592e7450d8263940617 . _:B7a813c30097d0592e7450d8263940617 "2023-05-21"^^ . _:B7a813c30097d0592e7450d8263940617 . _:B7a813c30097d0592e7450d8263940617 . _:B7a813c30097d0592e7450d8263940617 "290996104" . _:B7a813c30097d0592e7450d8263940617 . _:B7a813c30097d0592e7450d8263940617 . _:B7a813c30097d0592e7450d8263940617 .