Home › Authors › George Handley Knibbs 👤 George Handley Knibbs b. 1858 – d. 1929 · 4 books Books by George Handley Knibbs Price-indexes 1918 Prices, purchasing-power of mo Prices, purchasing-power of money, wages, trade unions, unemployment and general industrial conditions, 1916 1917 The mathematical theory of population 1917 Book I, voices of the north 1913