Masson, pp. 311–314. Masson, G., ed. (1890). "Les Áerostats Captifs" [The Captive Aerostats]. La Nature (in French). Paris: Libraire de L'Académie de Médecine. OCLC1108911748.
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Weyl 1898, p. 29. Weyl, E. (1898). Brassey, Thomas A. (ed.). "Chapter II: The Progress of Foreign Navies". The Naval Annual. Portsmouth: J. Griffin & Co.: 19–55. OCLC496786828.
Brassey 1891, pp. 33–40. Brassey, Thomas, ed. (1891). "Foreign Maneouvres: I—France". The Naval Annual. Portsmouth: J. Griffin & Co.: 33–40. OCLC496786828.
Thursfield 1894, pp. 72–77. Thursfield, J. R. (1894). Brassey, Thomas A. (ed.). "Foreign Maneouvres: I—France". The Naval Annual. Portsmouth: J. Griffin & Co.: 71–102. OCLC496786828.
Masson, pp. 311–314. Masson, G., ed. (1890). "Les Áerostats Captifs" [The Captive Aerostats]. La Nature (in French). Paris: Libraire de L'Académie de Médecine. OCLC1108911748.
Weyl 1896, pp. 19–20. Weyl, E. (1896). Brassey, Thomas A. (ed.). "Chapter II: The Progress of Foreign Navies". The Naval Annual. Portsmouth: J. Griffin & Co.: 17–60. OCLC496786828.
Leyland 1899, pp. 33, 40. Leyland, John (1899). Brassey, Thomas A. (ed.). "Chapter II: Progress of Foreign Navies". The Naval Annual. Portsmouth: J. Griffin & Co.: 32–69. OCLC496786828.
Brassey 1903, pp. 57–58. Brassey, Thomas A. (1903). "Chapter III: Relative Strength". The Naval Annual. Portsmouth: J. Griffin & Co.: 57–68. OCLC496786828.
Brassey 1904, pp. 88–89. Brassey, Thomas A. (1904). "Chapter IV: Comparative Strength". The Naval Annual. Portsmouth: J. Griffin & Co.: 86–107. OCLC496786828.