2 MacGregor, John, 1825-1892
1 Machine guns
28 Machine shops
39 Machinery
141 Machinery Hall
11 Machinery industry
1 Machpelah Cemetery
7 Mack, E.
1 Mackay, Charles, 1814-1889
3 Mackellar, Smiths & Jordan
2 Mackinac, Michigan
50 Maclise, Daniel, 1806-1870
1 MacPherson, John, d. 1775
1 Macready, Catherine Frances Birch, 1835-1869
17 Macready, William Charles, 1793-1873
1 Macready, William Charles, 1832-1871
2 Macrone, John, Mrs.
1 Madagascar
1 Madden, Richard Robert, 1798-1886
14 Madeira
1 Madeira Hill & Co. Coal
1 Madison Spinning Co.
1 Madison, Wisconsin
1 Madonna of San Sisto (Sculpture)
1 Madonnas
1 Madrid, Spain
28 Magazine publishing industry
6 Magazines (periodicals)
8 Magdalen Society
1 Magee Furnace Co.
1 Magee's Stationary Store
3 Magi
35 Magi - Adoration
3 Magi - Before Herod the Great
2 Magi - Dream
3 Magi - Journey
10 Magic
1 Magic & Electric Hair Curler Co.
3 Magistrates
2 Magnification