Military Art and Science

閱讀H. W.（亨利·韋傑）哈勒克“軍事藝術和科學的元素”！

Read "Elements of Military Art and Science

Or, Course Of Instruction In Strategy, Fortification, Tactics Of Battles, &C.; Embracing The Duties Of Staff, Infantry, Cavalry, Artillery, And Engineers; Adapted To The Use Of Volunteers And Militia; Third Edition; With Critical Notes On The Mexican And Crimean Wars." by H. W. (Henry Wager) Halleck!

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