A PHOTOGRAPHIC SURVEY OF BRIGHT SOUTHERN PLANETARY NEBULAE

[1] CAMPBELL WW, 1918, PUB LICK OBS, V13, P77

[2] DREYER JL, 1908, MEMOIRS RAS, V59

[3] DREYER JL, 1888, MEMOIRS RAS, V49

[4] DREYER JL, 1895, MEMOIRS RAS, V51

[5] FINSEN WS, 1926, 69 UN OBS CIRC, P374

[6] FROST RH, 1908, HARVARD ANN, V60, P190

[7] GREGORY CCL, 1921, HELWAN OBS B, V22, P219

[8] INNES R, 1927, 73 UN OBS CIRC, P419

[9] INNES R, 1918, 41 UN OBS CIRC, P345

[10] INNES R, 1924, 61 UN OBS CIRC, P233

[1] CAMPBELL WW, 1918, PUB LICK OBS, V13, P77

[2] DREYER JL, 1908, MEMOIRS RAS, V59

[3] DREYER JL, 1888, MEMOIRS RAS, V49

[4] DREYER JL, 1895, MEMOIRS RAS, V51

[5] FINSEN WS, 1926, 69 UN OBS CIRC, P374

[6] FROST RH, 1908, HARVARD ANN, V60, P190

[7] GREGORY CCL, 1921, HELWAN OBS B, V22, P219

[8] INNES R, 1927, 73 UN OBS CIRC, P419

[9] INNES R, 1918, 41 UN OBS CIRC, P345

[10] INNES R, 1924, 61 UN OBS CIRC, P233