Supernova 1991bh in Anonymous Galaxy (1991)
Conference Proceeding
Mueller, J., Mendenhall, J., Weymann, R., & Morris, S. (1991). Supernova 1991bh in Anonymous Galaxy.

Broad Absorption Line Time Variability in the QSO CSO 203 (1991)
Conference Proceeding
Barlow, T., Junkkarinen, V., Burbidge, E., Weymann, R., Morris, S., & Korista, K. (1991). Broad Absorption Line Time Variability in the QSO CSO 203.

The cosmological evolution of BL Lacertae objects (1991)
Conference Proceeding
Stocke, J. T., Perlman, E. S., Wurtz, R., & Morris, S. L. (1991). The cosmological evolution of BL Lacertae objects. In The space distribution of quasars, ASP Conference Series (218-227)

Book-Review - Clusters of Galaxies (1991)
Journal Article
Oegerle, W., Fitchett, M., Danly, L., & Sharples, R. (1991). Book-Review - Clusters of Galaxies. Observatory, 111, 138-

Hard X-ray observations of Cygnus X-1 with the MIFRASO telescope (1991)
Journal Article
Perotti, F., Quadrini, E., Bassani, L., Stephen, J., Bazzano, A., Ubertini, P., …Lewis, R. (1991). Hard X-ray observations of Cygnus X-1 with the MIFRASO telescope. Advances in Space Research, 11, 101-105. https://doi.org/10.1016/0273-1177%2891%2990157-f

The changing surface of Betelgeuse. (1991)
Digital Artefact
Wilson, R., Baldwin, J., Warner, P., & Buscher, D. (1991). The changing surface of Betelgeuse. [34]

Hard X-Rays from Coma Cluster Region: Erratum (1991)
Journal Article
Bazzano, A., Fusco-Femiano, R., Ubertini, P., Perotti, F., Quadrini, E., Court, A., …Stephen, J. (1991). Hard X-Rays from Coma Cluster Region: Erratum. Astrophysical Journal, 366, L95-

Kernel density estimators applied to fast timing hard X-ray observations of the Crab pulsar (1991)
Journal Article
Carstairs, I., Court, A., Dean, A., Dipper, N., Gorrod, M., Lewis, R., …Quadrini, E. (1991). Kernel density estimators applied to fast timing hard X-ray observations of the Crab pulsar. Advances in Space Research, 11, 95-99. https://doi.org/10.1016/0273-1177%2891%2990156-e

Book Review: Baryonic dark matter / Kluwer, 1990 (1991)
Journal Article
Bell, D. L., & Sharples, R. (1991). Book Review: Baryonic dark matter / Kluwer, 1990. Observatory, 111, 136-

The systemic redshift of the quasar 1331 + 170 (1991)
Journal Article
Carswell, R., Mountain, C., Robertson, D., Beard, S., Glendinning, A., Laird, D., …Ward, M. (1991). The systemic redshift of the quasar 1331 + 170. Astrophysical Journal, 381, L5-L8. https://doi.org/10.1086/186183

Hard X-ray variability of NGC 4151 (1991)
Journal Article
Perotti, F., Maggioli, P., Quadrini, E., Bazzano, A., Ubertini, P., Bassani, L., …Lewis, R. (1991). Hard X-ray variability of NGC 4151. Astrophysical Journal, 373, 75-79. https://doi.org/10.1086/170024

A high energy observation of the Coma Cluster region (1991)
Journal Article
Bazzano, A., Fusco-Femiano, R., Ubertini, P., Court, A., Dean, A., Dipper, N., …Stephen, J. (1991). A high energy observation of the Coma Cluster region. Advances in Space Research, 11, 111-116. https://doi.org/10.1016/0273-1177%2891%2990159-h

'Superlow-state' hard X-ray observation of Cygnus X-1 (1991)
Journal Article
Ubertini, P., Bazzano, A., Perotti, F., Quadrini, E., Court, A., Dean, A., …Stephen, J. (1991). 'Superlow-state' hard X-ray observation of Cygnus X-1. Astrophysical Journal, 366, 544-548

High-resolution imaging of Virgo cluster galaxies. I - Observational techniques and first results (1991)
Journal Article
Tanvir, N., Shanks, T., Major, J., Doel, A., Dunlop, C., Myers, R., …Devaney, M. (1991). High-resolution imaging of Virgo cluster galaxies. I - Observational techniques and first results. Monthly Notices of the Royal Astronomical Society, 253, 21P-24P. https://doi.org/10.1093/mnras/253.1.21p

MARTINI - System operation and astronomical performance (1991)
Conference Proceeding
Doel, A., Dunlop, C., Major, J., Myers, R., Sharples, ,., & M., R. (1991). MARTINI - System operation and astronomical performance.

A High Resolution, Ground Based Observation of a Virgo Galaxy (1991)
Conference Proceeding
Shanks, T., Tanvir, N., Doel, P., Dunlop, C., Myers, R., Major, J., …O'Kane, P. (1991). A High Resolution, Ground Based Observation of a Virgo Galaxy.

Autofib Manual (1991)
Book
Sharples, R., Gray, P., & Hatzidimitriou, D. (1991). Autofib Manual. Anglo-Australian Observatory

The large, bright QSO survey. V - QSOs in three southern fields (1991)
Journal Article
Morris, S. L., Weymann, R. J., Anderson, S. F., Hewett, P. C., Francis, P. J., Foltz, C. B., …MacAlpine, G. M. (1991). The large, bright QSO survey. V - QSOs in three southern fields. Astronomical Journal, 102, 1627-1658. https://doi.org/10.1086/115984

The luminosity function and cosmological evolution of X-ray-selected BL Lacertae objects (1991)
Journal Article
Morris, S. L., Stocke, J. T., Gioia, I. M., Schild, R. E., Wolter, A., Maccacaro, T., & della Ceca, R. (1991). The luminosity function and cosmological evolution of X-ray-selected BL Lacertae objects. Astrophysical Journal, 380, 49-65. https://doi.org/10.1086/170561

Optical Spectra of X-Ray Selected AGN (1991)
Conference Proceeding
Morris, S., & Stocke, J. (1991). Optical Spectra of X-Ray Selected AGN. In Bulletin of the American Astronomical Society, Vol. 23