Address delivered on the centennial anniversary of the birth of Alexander von Humboldt : under the auspices of the Boston Society of Natural History : with an account of the evening reception

Agassiz, Louis, 1807-1873, author

Agassiz, Louis, 1807-1873, author

Agassiz, Louis, 1807-1873, author

Agassiz, Louis, 1807-1873, author

Agassiz, Louis, 1807-1873, author

Agassiz, Louis, 1807-1873, author

Agassiz, Louis, 1807-1873, author