1991 V Photometry of CG Cyg and a Possible New Variable
1991 V-Band Photometry of an Eclipsing Binary: 1E 1919+0427
1991 VA
1991 VB
1991 VB
1991 VB
1991 VE
1991 VE = 1997 WP23
1991 VG
1991 VG
1991 VG
1991 VG
1991 VG.
1991 VH
1991 VH
1991 VH
1991 VH
1991 VH
1991 VH, 1991 VK, 1991 VL, 1991 WA, 1991 XB.
1991 VK