Article Turner, G. L'E.; (1979)
Johann Daniel von Berthold: A clerical craftsman and his universal ring-dial (/isis/citation/CBB000003374/)

Article Rohr, René R.J.; (1986)
Les cadrans solaires universels de Jacques Ozanam (/isis/citation/CBB000031041/)

Article Higton, Hester; (1995)
Dating Oughtred's design for the equinoctial ring dial (/isis/citation/CBB000042568/)

Article Somerville, Andrew R.; (1986)
The sundials of John Bonar, schoolmaster of Ayr (/isis/citation/CBB000047126/)

Chapter Simcock, A.V.; (1993)
An equinoctial ring dial by Ralph Greatorex (/isis/citation/CBB000061366/)

Article Mills, Allan A.; (1992)
Isaac Newton's sundials (/isis/citation/CBB000028798/)

Article Rohr, René R.J.; (1989)
The universal sundials of Jacques Ozanam (/isis/citation/CBB000044333/)

Chapter De Graeve, Jan; (1993)
Francis Hall's sundial for the blind (/isis/citation/CBB000061402/)

Article Rohr, René R.J.; (1986)
A sun, moon, and tidal dial. Translated by A. R. Somerville (/isis/citation/CBB000047090/)

Article Roger Kinns; (2017)
The time light signals of New Zealand: yet another way of communicating time in the pre-wireless era (/isis/citation/CBB586228966/)

Article LaRue, Budd J.; (1986)
The importation of microscopical sundials by James W. Queen and Co. in 1880 (/isis/citation/CBB000064917/)

Article Abraham, George; (1981)
The gnomon in early Indian astronomy (/isis/citation/CBB000022058/)

Article Rohr, Richard; (1976)
Le cadran solaire analemmatique (/isis/citation/CBB000002395/)

Article Wright, M.T.; (1990)
Rational and irrational reconstruction: The London Sundial-Calendar and the early history of geared mechanisms (/isis/citation/CBB000036254/)

Book Biner, Jean Marc; (1974)
Cadrans solaires du Valais (/isis/citation/CBB000001671/)

Article Parisot, Jean-Paul; (1985)
La rétrogradation de l'ombre dans les cadrans solaires analemmatiques (/isis/citation/CBB000007947/)

Book Paltrinieri, Giovanni; Frizzoni, Italo; (1995)
Meridiane e orologi solari di Bologna e provincia. Con la collaborazione di Renato Peri (/isis/citation/CBB000076609/)

Chapter Schöner, Christoph; (1991)
Wissenschaft im “Donauraum”: Vorläufige Bemerkungen zu einem Lehrbuch über den Bau von Sonnenuhren aus der Mitte des 15. Jahrhunderts (/isis/citation/CBB000060855/)

Book Manfred Schukowski; Wolfgang Erdmann; Kristina Hegner; (1992)
Die Blauen Bücher, Die astronomische Uhr in St. Marien zu Rostock (/isis/citation/CBB369994368/)

Article Clercq, Peter de; (1999)
A pseudo-Tompion sundial (/isis/citation/CBB000082126/)