1. Dieterici, editor, Mittheilungen des statistischen Bureau’s in Berlin, I (1848), 150.
2. For 1843 figures see Abraham, Strukturwandel, 56. For 1846 see Dieterici, Mittheilungen, I (1848), 70.
3. Abraham, Strukturwandel, 76, 90–94. Dieterici, Mittheilungen, II (1849), 6–7, comments on how guild and factory were becoming alike.
4. Dieterici, Mittheilungen, I (1848), 70; Statistisches Jahrbuch, Vol. 35 (1914), 2.
5. Cf. Noyes, Organization and Revolution, 220, on the Berlin Congress of August, 1848, perhaps the most important of these gatherings attended mainly by skilled workers in trades.