Retornos crescentes e decrescentes e firma representativa: uma visão do Simpósio de 1930

This paper objective is to analyze the Theory of Increasing and Diminishing Returns from the perspective of the Symposium of 1930, written by Robertson, Sraffa and Shove. Besides these authors, are also treated other texts Robetson and Sraffa, and texts by Pigou and Robbins, expressing the similarity and difference of thought of each author with respect to the Laws

The reorganisation of industry : papers /

"An account of proceedings at the Conference of Working-Class Associations, held in Oxford on July 21st, 22nd, and 23rd, 1916."

Cabinet Card by C. Arthur, Photographer, St. Catharines [n.d.]

An unidentified young woman is featured in this black and white cabinet card by photographer C. Arthur, of St. Catharines, Ontario. The address of Mr. Arthur's studio is printed along the bottom of the photograph. This photograph was among the family memorabilia owned by Iris Sloman Bell of St. Catharines. The Sloman - Bell families include relatives who were former African American slaves who settled in Canada.Charles A. Arthur is listed as a photographer in St. Catharines from 1880 - 1883 and Charles P. Arthur (possibly a son?) was a photographer in the same city in 1898. Source: Phillips, Glen C. The Ontario photographers list (1851-1900). Sarnia: Iron Gate Publishing Co., 1990.

Photograph of Unidentified Woman by C. Arthur, Photographer, St. Catharines [n.d.]

An unidentified young woman is featured in this undated black and white studio photograph by C. Arthur, Photographer, of St. Catharines, Ontario. This small cabinet card photograph was in the possession of the Iris Sloman Bell family of St. Catharines. Relatives of the Sloman - Bell families include former African American slaves who settled in Canada.Two photographers by the name of Arthur are listed as working in St. Catharines, Ontario in the second half of the 19th century. Charles A. Arthur was a photographer from 1880 - 1883, while Charles P. Arthur (possibly a son?) is listed as a photographer in 1898. Source: Phillips, Glen C. The Ontario photographers list (1851-1900). Sarnia: Iron Gate Publishing Co., 1990.

The tidal and other problems,

At head of title: Contributions to cosmogony and the fundamental problems of geology.

Rewinding and connecting alternating-current motors; fundamental principles involved in applying and checking lap and wave windings in alternating-current-motor stators and rotors together with practical winding procedure and extensive reference data in typical examples completely worked out, in winding diagrams and in 71 special tabulations, for everyday use by maintenance men in industrial plants, by winders in electrical service and repair shops and by students pursuing electrical courses,

Mode of access: Internet.

Discipline as a school problem,

Mode of access: Internet.

Hard red winter wheat improvement in the plains : a 20-year summary /

"United States Department of Agriculture in cooperation with the State Agricultural Experiment Stations in Colorado, Iowa, Kansas, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, and Wyoming."

Five Stuart princesses : Margaret of Scotland, Elizabeth of Bohemia, Mary of Orange, Henrietta of Orleans, Sophia of Hanover /

Margaret, daughter of James I. of Scotland, dauphine of France, by H. E. Butler.--Elizabeth of Bohemia, daughter of James I. and VI., by R. H. Hodgkin.--Mary of Orange, daughter of Charles I. and mother of William III., by A. Cecil.--Henrietta of Orleans, daughter of Charles I., by J. S. C. Bridge.--Sophia of Hanover, grand-daughter of James I. and VI., and mother of George I., by the editor.

Studies on the physiology, genetics, and evolution of some Cladocera

At head of title: Paper no. 39 [i.e. 40], Department of genetics.

In the Andamans and Nicobars; the narrative of a cruise in the schooner "Terrapin", with notices of the islands, their fauna, ethnology, etc.,

Mode of access: Internet.

Government publications and their use,

Mode of access: Internet.

Zoological names. A list of phyla, classes, and orders,

Introduction signed: A. S. Pearse, editor.