Ethics and the computer world: a new challenge for philosophers. - John Ladd (SIGCAS Comput. Soc., 1997)

A 2Mpixel 1/4-inch CMOS Image Sensor with Enhanced Pixel Architecture for Camera Phones and PC Cameras. - J. Moholt; T. Willassen; John Ladd; Xiaofeng Fan; D. Gans (ISSCC, 2008)

A 1/13-inch 30fps VGA SoC CMOS image sensor with shared reset and transfer-gate pixel control. - Robert Johansson; A. Storm; C. Stephansen; S. Eikedal; T. Willassen; S. Skaug; Tore Martinussen; D. Whittlesea; G. Ali; John Ladd; X. Li; S. Johnson; et al. (ISSCC, 2011)

An APS-C format 14b digital CMOS image sensor with a dynamic response pixel. - Dan Pates; Jeong-Ho Lyu; Shinji Osawa; Isao Takayanagi; Toshiaki Sato; Tim Bales; Katsuyuki Kawamura; Eduard Pages; Shinichiro Matsuo; Tetsuji Kawaguchi; Tadashi Sugiki; Norio Yoshimura; et al. (ISSCC, 2011)