Harrisse, Henry, Bibliotheca Americana Vetustissima, [9];

Bibliotheca Barlowiana, [159];

Jean et Sebastian Cabot, [218].

Hart, Thomas, [435].

Hartford (Connecticut), [330].

Hartop, [64].

Hartshorne, Hugh, [435].

Hartshorne, Richard, [437].

Harvard College founded, [314].

Harvey, Sir John, [140], [146];