Pinhole Photography - History, Images, Cameras, Formulas (Jon Grepstad)
Excellent on-line history and exploration of pinhole photography.
Stone Knives And Bear Skins (George L Smyth)
George Smyth mixes a pinhole camera, the Van Dyke brown alternative photo process, and some philosophy in this "how-to" article.
Photon & Pinhole Sieve Photography (Guillermo Peñate)
Good explanation of of photon sieves, and also the "pinhole sieve" variation of this invented by Guillermo Peñate.
The Pinhole Camera: Imaging without Lenses or Mirrors (By Matt Young)
Conclusions of physicist Matt Young's research in pinhole photography.
Zone Plate: a Quasi Scientific Explanation (Guillermo Peñate)
Guillermo Peñate's shares his understanding of how zone plates work.
Building and converting cameras for pinhole (Daryl Duckworth)
Illustrated, step-by-step instructions in building new pinhole cameras and converting lens cameras to pinhole.
Pinhole Photography, Third Edition : Rediscovering a Historic Technique (By Eric Renner)
A respected guide for students, amateurs, and advanced photographers. Includes an extensively researched history, instructional information for getting started, and plenty of visual examples of the diversity of explorations into pinhole photography by numerous artists.