共 7 条
[1]
COOPER JF, 1839, HIST NAVY US AM, P102
[2]
EGGENBERGER D, 1964, FLAGS US, P25
[3]
MCCANDLESS LCD, 1917, NATL GEOGR, V33, P339
[4]
MCCANDLESS LCD, 1917, NATL GEOGR, V33, P349
[5]
PREBLE GH, 1980, HIST FLAG US AM, P237
[6]
SANDS R, 1830, LIFE CORRESPONDENCE, P310
[7]
WALDRON WG, 1935, FLAGS AM, P35