The photomechanical halftone /

Mode of access: Internet.

Practical guide to photographic & photo-mechanical printing,

Mode of access: Internet.

A treatise on photogravure in intaglio by the Talbot-Klic process /

Frontispiece and plate facing p. [85] are photogravures.

Penrose's annual.

Publication suspended 1917-1919.

The Photogram.

Mode of access: Internet.

The Penrose annual

Publication suspended, 1917-1919; 1941-1948