author = { Morton, John Trimmer, Joshua },

title = { An attempt to estimate the effects of protecting duties on the profits of agriculture },

edition = { 5th ed } ,

publisher = {J. Ridgway},

keywords = { Agriculture Economic aspects Great Britain , Free trade , Tariff on farm produce Great Britain },

year = {1846},

abstract = {Goldsmiths'-Kress no. 34587},

abstract = {OCLC, 18578008},

abstract = {Reproduction of original from Kress Library of Business and Economics, Harvard University},

address = { London },

url = { http://slubdd.de/katalog?TN_libero_mab2 }