Crofton, Rev. W.J., "Observations of Comet e 1888 (Barnard) made at Stonyhurst College Observatory" and Perry, Rev. S.J., "Observations of Jupiter's Satellites, Made at the Stonyhurst Observatory" and "Observations of Occultations of Stars by the Moon, Taken at Stonyhurst" from the Monthly Notices of the Royal Astronomical Society, Vol. XLIX, No. 1, November,, 1888

Crofton, Rev. W.J., "Observations of Comet e 1888 (Barnard) made at Stonyhurst College Observatory" and Perry, Rev. S.J., "Observations of Jupiter's Satellites, Made at the Stonyhurst Observatory" and "Observations of Occultations of Stars by the Moon, Taken at Stonyhurst" from the Monthly Notices of the Royal Astronomical Society, Vol. XLIX, No. 1, November,, 1888. Georgetown Observatory Collection, GRB-000010. Georgetown University Rare Books , Booth Family Center for Special Collections. https://findingaids.library.georgetown.edu/repositories/14/archival_objects/1163434 Accessed September 28, 2024.