Cross-References for NGC 2169

0) Numbering system adopted in WEBDA
1) Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pe)
2) Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pg)
3) Grubissich C. 1956, Z. Astrophys. 47, 24
4) Cuffey J., McCuskey S.W. 1956, Astrophys. J. 123, 59
5) Vogel H.C. 1882, Pub. Univ. Obs.Leipzig 1, 3
6) Pena J.H., et al. 1994, Rev. Mex. Astron. Astrofis. 28, 139