OK I've updated the bayonet/knife photos and information hope you enjoy. I've started with reference books, socket bayonets, sword bayonets, then knife bayonets. They are grouped by era and include identification of the bayonet and related scabbard. Some are duplicates from before and some are additions to previous posted.
US Military Bayonets10/25/2015
Bayonet Reference Books• American Socket Bayonets 1717 - 1873, by Donald B. Webster Jr.
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• US Sword Bayonets 1847 - 1865, by Rollin V. Davis Jr.
• American Socket Bayonets and Scabbards, by Robert M. Reilly
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• The American Bayonet 1776 - 1964, by Albert N. Hardin Jr..
French & Indian War, Revolutionary War, and War of 1812 (1750-1812)• Dutch Type IIB, (11-1/2" blade) undated circa 1750, numbered to match musket, L-slot
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• Plug bayonet (7” blade) undated, wood handle
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• French 1763 modified to 1771 lug, (14" blade) undated, straight slot
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• British Brown Bess (16” blade) undated, L-slot
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• Model 1795 (14" blade) undated, L-slot
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• Model 1795 (13” blade) undated, L-slot
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• Model 1812 (14” blade) undated, L-slot, leather scabbard
War of 1812 up to Mexican American War (1815-1828)• Model 1815 (16" blade) undated, T-slot
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• Model 1816 (16” blade) undated, T-slot, leather scabbard
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• Model 1816 (16” blade) undated, T-slot
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• Model 1819 Hall (16” blade) undated, L-slot
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• Model 1819 Hall (16” blade) undated, L-slot
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• Model 1819 Hall (16” blade) undated, L-slot, leather scabbard with shoulder strap
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• Model 1822/28 (16” blade) undated, L-slot, browned finish
Mexican American War and Civil War (1840-1865)• Model 1840 (18" blade) undated, L-slot with locking clasp
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• Model 1840 (18" blade) undated, L-slot with locking clasp
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• Model 1842 (18" blade) undated, L-slot with locking clasp
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• Model 1851 Cadet (16" blade) undated, L-slot with locking clasp
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• Greene Rifle (18" blade) undated, straight slot with locking clasp, leather scabbard 2-rivit
• Enfield 1853 (18" blade) undated, L-slot with locking clasp, leather scabbard with buff frog
• Model 1855 (18" blade) undated, L-slot with locking clasp, leather scabbard 2-rivit
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• Model 1855 (18" blade) undated, L-slot with locking clasp, leather scabbard 7-rivit
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• Model 1855 (18" blade) undated, L-slot with locking clasp, leather scabbard 7-rivit
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• Joslyn (20" blade) undated, L-slot with locking clasp, leather scabbard 7-rivit (20”)
Sword Bayonets (1841-1870)• Harpers Ferry 1841 Mississippi Rifle (20" blade) unmarked and undated
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• Springfield 1847 Engineers Musketoon (21.5” blade) unmarked and undated
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• Enfield 1853 Carbine (24" blade) S&K and undated
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• NM 1859 Navy Sharps Rifle (20" blade) Collins & Hartford dated 1861
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• 1861 Whitney-Plymouth Navy Rifle (22” blade) Collins & Company, Hartford and undated
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• Sharps & Hankins Rifle (20" blade) unmarked and dated 1861
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• Merrill Navy Rifle (25" blade) unmarked and dated 1861
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• 1870 Navy Rolling Block (20" blade) Ames Mfg. Co. and dated 1870
Post-Civil War (1865-1872)• Model 1855 (18" blade) undated, L-slot with locking clasp, leather scabbard U.S escutcheon, back loop, 1865
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• Model 1855 (18" blade) undated, L-slot with locking clasp
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard short Hoffman, back loop, 1870
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard experimental metal tabs
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard long loop Hoffman, back loop, 1870
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard long loop Hoffman, back loop, 1870
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard plain escutcheon, back loop, 1870
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard plain escutcheon, front loop, 1870
Post-Civil War (1873-1893)• Model 1873 (18" blade) undated, L-slot with locking clasp, metal scabbard U.S escutcheon, front loop, 1873
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• Model 1873 (18" blade) undated, L-slot with locking clasp metal scabbard US escutcheon, front loop, 1874
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• Model 1873 (18" blade) undated, L-slot with locking clasp, metal scabbard USN escutcheon
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard USN escutcheon
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• Remington (18" blade) undated, L-slot with locking clasp, metal scabbard USN escutcheon
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard US escutcheon type 3 with metal loop, 1885
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• Model 1873 (18" blade) undated, L-slot with locking clasp, metal scabbard US escutcheon, front loop, 1874 modified with wire hanger, 1885
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• Model 1873 (18" blade) undated, L-slot with locking clasp, metal scabbard US escutcheon type 3 with metal loop, 1885
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• Model 1855 (18" blade) undated, L-slot with locking clasp, metal scabbard USN escutcheon
Spanish American War (1894-1903)• Winchester 1895 Lee Navy (8" bright) undated, Wood handle, leather scabbard
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• Krag 1892 (11-1/2" blue) Springfield, dated 1894, 1st Variation, Wood handle, Type 2 1896 metal scabbard
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• Krag 1892 (11-1/2" bright) Springfield, dated 1897, 2nd Variation, Wood handle, Type 3 1899 metal scabbard
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• Krag 1892 (11-1/2" bright) Springfield, dated 1903, 4th Variation, Wood handle, Type 4 1903 metal scabbard
World War 1 (1903-1917)• Model 1903 (16" bright) Springfield, dated 1909, Wood handle, 1910 repro canvas covered wood scabbard
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• Model 1917 (17" bright) Remington, dated 1917, Wood handle, leather scabbard
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• Ross Mark I 1907 (10" bright) Ross, undated [US surcharged], Wood handle, leather scabbard
World War 2 (1942-1945)• USN Mark 1 (16" plastic) training bayonet, not dated, Plastic handle, USN MK 1 scabbard
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• Model 1942 (16" blue) PAL, dated 1942, Plastic handle, M3 composite scabbard
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• M1 (10" blue) Utica, not dated, Plastic handle, M7 composite scabbard
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• Johnson 1941 (8" blue) Johnson, not dated, No handle, Leather scabbard
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• M3 Knife (6.75" blue) Utica, not dated, Leather handle, M8 composite scabbard
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• M4 (6.75" blue) Utica, not dated, Leather handle, M8A1 composite scabbard
Korean War and Vietnam War (1950-1975)• M4 (6.75" blue) TMW, not dated, Plastic handle, M8A1 composite scabbard
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• M5A1 (6.75" blue) Milpar Col, not dated, Plastic handle, M8A1 composite scabbard
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• M6 (6.75" blue) Milpar Col, not dated, Plastic handle, M8A1 composite scabbard
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• M7 (6.75" blue) Imperial "Colt", not dated, Plastic handle, M8A1 composite scabbard
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• M7 (6.75" blue) BOC, not dated, Plastic handle, M8A1 composite scabbard
Modern (1990 to Current)• M7 (6.75" blue) BOC, not dated, Plastic handle, M10 plastic scabbard
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• M9 (7" bright) Phrobis, not dated, Plastic handle, Plastic scabbard
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• M9 (7" blue) Onterio, not dated, Plastic handle, Plastic scabbard
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• OKC35 (8" blue) Onterio, not dated [USMC], Plastic handle, Plastic scabbard