M.M. Hohle, T. Eisenbeiss, M. Mugrauer, F. Freistetter, M. Moualla, R. Neuhäuser, S. Rätz, T.O.B. Schmidt, N. Tetzlaff, M. Vaňko. (2009). «Photometric study of the OB star clusters NGC 1502 and NGC 2169 and mass estimation of their members at the University Observatory Jena.». Astronomische Nachrichten330 (5): 511. Bibcode:2009AN....330..511H. doi:10.1002/asna.200911207.
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M.M. Hohle, T. Eisenbeiss, M. Mugrauer, F. Freistetter, M. Moualla, R. Neuhäuser, S. Rätz, T.O.B. Schmidt, N. Tetzlaff, M. Vaňko. (2009). «Photometric study of the OB star clusters NGC 1502 and NGC 2169 and mass estimation of their members at the University Observatory Jena.». Astronomische Nachrichten330 (5): 511. Bibcode:2009AN....330..511H. doi:10.1002/asna.200911207.
Reimann, H.-G.; Pfau, W. (1987). «Combined UBV and UVBY photometry of open clusters. I - NGC 1502». Astronomische Nachrichten. Bibcode:1987AN....308..111R.