| Identification |
| Baldwin, Gordon: Looking at Photographs: A Guide to technical terms, J. Paul Getty Museum and British Museum Publications Ltd, 1991 |
| Coe, Brian and Mark Haworth: A guide to early photographic processes, The Victoria and Albert Museum in association with Hurtwood Press. 1983 |
| Crawford, William: The Keepers of light: A History & Working Guide To Early Photographic Processes, Morgan & Morgan, Inc., 1979 |
| Ficher, Monique C. and Andrew Robb: Guidelines for Care & Identification of Film-Base Photographic Materials, Art Conservation Program University of Delaware / Winterthur Museum, pp. 117 - 122, 1993 |
| Knodt, Robert and Klaus Pollmeier: Verfahren der Fotografie, Museum Folkwang Essen, 1999 |