Incised letters in stone, Gothic, [139], [140];
Classic Roman, [9], [14], [45];
(see also Granite, Inlaid, Marble, Sandstone, V-sunk and Stone-cut).
Ink, [201].
Inking-in lettering, [200], [202].
Inlaid lettering, Gothic, [141].
Interlacement of Script letters, [194].
Inter-relation of letters, [6], [135], [201].
Iorio, Adrian J., [107].
Irish letters, (see Anglo-Saxon).