Article Waff, Craig B.; Skinner, Stephen (1987)
Tales from the First International Halley Watch (1755-59), 2: Thomas Stevenson of Barbados and his two-comet theory. International Halley Watch Newsletter (pp. 3-9). (/isis/citation/CBB000066173/) unapi

Article Osterbrock, Donald E. (1986)
Nicholas T. Bobrovnikoff and the scientific study of Comet Halley, 1910. International Halley Watch Newsletter (pp. 26-33). (/isis/citation/CBB000066071/) unapi

Article Waff, Craig B. (1986)
Tales from the First International Halley Watch (1755-59), 1: Boston waits for and watches the comet. International Halley Watch Newsletter (pp. 16-26). (/isis/citation/CBB000066244/) unapi

Article Marsden, Brian G. (1984)
The orbit of periodic comet Crommelin. International Halley Watch Newsletter (pp. 2-5). (/isis/citation/CBB000066443/) unapi

Article Hughes, David W. (1984)
Apian's woodcut and Halley's comet. International Halley Watch Newsletter (pp. 24-25). (/isis/citation/CBB000066346/) unapi