Apostles, the, attitude to manual labour, 223.
    attitude to private property and communism, 48.
    attitude to usury, 168. 
  Apostles, the, fornication expressly forbidden by, 168.
    teaching regarding slavery, 89. 
  Apostoli, the, belief in communism, 66. 
  Aquinas, see Thomas Aquinas. 
  Aragon, personal rent charges permitted in, 205. 
  Architecture, see Manufacture. 
  Archivio Giuridico, 225. 
  Ardant, 69. 
  Aristotle, 14, 16, 36, 97, 98, 142, 146, 169, 215, 219.
    as source for Thomas Aquinas, 62.
    attitude of Thomas Aquinas to his opinion, 94 et seq.
    Cossa on his influence, 17.
    his principles maintained through Thomas Aquinas, 19.
    his theory of slavery opposed to that of St. Augustine, 93.
    influence on controversies of the schools, 17.
    influence on mediaeval thought, 16.
    renewed study of, 16. 
  Arnold, 203.
  Artes pecuniativae, 142.
  Artes possessivae, 142.
      encouragement recommended by Aquinas, 143. 
  Arnobius, 45. 
  Ashley, Sir W.H., 3, 6, 7, 18, 21, 23, 27, 29, 30, 33, 40, 76,
          105, 113, 126, 134, 146, 149, 175, 185, 186, 187, 188,
          190, 191, 195, 196, 197, 198, 202, 203, 205, 206, 207,
          211, 212. 
  Augustinians, the, 195. 
  Ausmo, Nicholas de, 156. 
  Avarice, an offence against liberality, 79.
    a sin towards the individual himself and the community, 78.
    relativity of, 75. 
  Avarice, the necessary basis of trade, 145.
  Ayenbite of Inwit, The, 151.

Baldus, 187, 208. [Greek:  banousia], a sin, 77, 78.  Barabbas, 231.  Bartlett, Dr. V., 56, 90.  Bartolus, 187.  Baudrillard, 76.  Beauvais, Vincent de, 7, 16.  Begards, the, belief in communism, 66.  Benedict XIV., Pope, an encyclical of, 183.  Benigni, 61.  Bergier, 45.  Bernardine of Siena, 112, 181.  Biel, 99, 100, 104, 106, 107, 108, 112, 118, 121, 124, 145, 150,
     156, 180, 185, 205, 208, 211, 221. 
Bimetallism, Oresme’s support of, 219.  Blanqui, 146.  Bohemia, communistic teaching in, 86.  Boehm-Bawerk, 174, 200, 203, 211.  Bottomry, contract of, 211.  Brant, Sebastian, 137.  Brants, V.L.J.L., 9, 10, 13, 19, 21, 66, 101, 111, 112, 114, 121,
           122, 123, 142, 159, 181, 208, 215, 216, 217, 218, 225. 
Breslau, refusal to pay rent in, 204.  Brunetto Latini, 123.  Building, see Manufacture.  Buridan, 70, 72, 76, 77, 78, 109, 110, 143, 180, 191, 198, 217.

Cabet, 42. 
Caepolla, 108, 118, 120. 
Cajetan, 65, 79.
on the Summa, 68. 
Calippe, Abbe, 49, 62.
on Thomas Aquinas, 68. 
Calixtus III., Pope, decree regarding rent, 205.
Cambium, 155.
conditions justifying, 157.
dealt with by Brants, 159.
minutum, 157, 158.
motives justifying, 157.
per litteras, 157, 158.
siccum, 157.