Clephan, R. C. (1909). An Outline of the history of gunpowder and that of the hand-gun, from the epoch of the earliest records to the end of the 15th century: By R[obert] Coltman Clephan. Hunt [u.a.].
Lua i Stíl Chicago (17ú heag.)Clephan, Robert Coltman. An Outline of the History of Gunpowder and That of the Hand-gun, from the Epoch of the Earliest Records to the End of the 15th Century: By R[obert] Coltman Clephan. London [u.a.]: Hunt [u.a.], 1909.
Lua MLA (8ú heag.)Clephan, Robert Coltman. An Outline of the History of Gunpowder and That of the Hand-gun, from the Epoch of the Earliest Records to the End of the 15th Century: By R[obert] Coltman Clephan. Hunt [u.a.], 1909.
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