LIB-3533.2026 Extracts from An Investigation into the Physical Properties of Books as They Are at Present Published. — Boston: W. A. Dwiggins and L. B. Siegfried for the Society of Calligraphers, 1919.
LIB-3532.2026 Extracts from An Investigation into the Physical Properties of Books as They Are at Present Published. — Boston: W. A. Dwiggins and L. B. Siegfried for the Society of Calligraphers, 1919 [reprinted Meriden, Conn.: The Meriden Gravure Company, 1968].
