Spectral types of faint stars in kapteyns selected aeras 1-115

[1] *HARV, 1921, 226 HARV

[2] Kapteyn J. C., 1906, PLAN SELECTED AREAS

[3] *LICK OBS, 1927, LICK OBS B, V13, P68

[4] SEARES, MT WILSON CONTR, V289

[5] SEARES, 1925, AP J, V61, P303

[6] VANRHIJN PJ, 1923, 3 REPORT PROGR PLAN

[7] VANRHIJNM, 1930, B ASTRONOMICAL I NET, V6, P75

[8] 1918, HARVARD ANN, V101

[9] 1923, HARVARD ANN, V102

[10] HARVARD ANN, V102

[1] *HARV, 1921, 226 HARV

[2] Kapteyn J. C., 1906, PLAN SELECTED AREAS

[3] *LICK OBS, 1927, LICK OBS B, V13, P68

[4] SEARES, MT WILSON CONTR, V289

[5] SEARES, 1925, AP J, V61, P303

[6] VANRHIJN PJ, 1923, 3 REPORT PROGR PLAN

[7] VANRHIJNM, 1930, B ASTRONOMICAL I NET, V6, P75

[8] 1918, HARVARD ANN, V101

[9] 1923, HARVARD ANN, V102

[10] HARVARD ANN, V102