Chapman, S. (1912). The Eagle and Maximilian Stamps of Mexico (1a. ed.). Stanley Gibbons.
Chicago-čujuhus (17. p.)Chapman, S. The Eagle and Maximilian Stamps of Mexico. 1a. ed. Londres: Stanley Gibbons, 1912.
MLA-čujuhus (9. p.)Chapman, S. The Eagle and Maximilian Stamps of Mexico. 1a. ed. Stanley Gibbons, 1912.
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