This comic is undated. Dating is an estimate from www.ausreprints.com.
from Superman Annual (DC, 1960 series) #6 (Winter 1962-63)
from Action Comics (DC, 1938 series) #347 (March 1967) [also 80 Page Giant G33]
from Action Comics (DC, 1938 series) #263 (April 1960) [Supergirl's Darkest Day]
from Action Comics (DC, 1938 series) #347 (March 1967)
from Action Comics (DC, 1938 series) #264 (May 1960)Original story was titled 'Supergirl gets Adopted' in Action Comics (DC, 1938 series) #264 (May 1960).
from Superman (DC, 1939 series) #140 (October 1960), #140 (October 1960), #140 (October 1960)This story is in three parts -- Part 2: The Orphan Bizarro & Part 3: The Bizarro Supergirl.
from Action Comics (DC, 1938 series) #290 (July 1962)
from Superman Annual (DC, 1960 series) #6 (Winter 1962-63)