Alexander Legge, 1866-1933; the life story of a truly great American who loved and served his country well, who achieved world-wide distinction as an industrial leader, as a patriotic public servant and as the devoted friend and champion of all who till the soil,

Mode of access: Internet.

Social and economic aspects of Swedish population movements, 1750-1933,

Mode of access: Internet.

Standards yearbook: 1927-[1933]

Compiled by the Bureau of Standards, 1927-

Memoria : Excavaciones en la cueva y collado de los jardines (Santa Elena - Jaen).

Mode of access: Internet.