[17] The tithe was a tenth part of the yearly income from land, stock, and personal industry.
[18] See illustration, page 447.
[19] Latin cathedra.
[20] For the architecture of a medieval cathedral see pages 562-565.
[21] See page 474.
[22] See page 352.
[23] Latin frater, "brother."
[24] Latin mendicare, "to beg."
[25] In England the Franciscans, from the color of their robes, were called Gray Friars, the Dominicans, Black Friars.
[26] Latin papa, "father."