"Railroad Valuations in State Reports." Professor Harold M. Bowman. _Railroad Gazette_, September 8th, 1905. Abstract of a report, which explains briefly the systems of valuation provided for by the laws of the several States, with a critical review of the systems and administrative reports. "The Determination of Physical Values." Clinton S. Burns, M. Am. Soc. C. E. _The Engineering Record_, September 16th, 1905. Presents a mathematical formula for fixing depreciation on articles, based on age, with quite a complete demonstration of the theory presented. "Valuation of Railroad Property," Henry Fink. (Serial.) _Railway Age Gazette_, July 24th, 1908, _et seq._ A brief review of several methods. "The Valuation of Railways." (Serial.) _Railway Age Gazette_, January 22d, 1909, _et seq._ A thorough discussion of the subject, and one of the best presentations of it from a rational corporation standpoint. "Some Neglected Factors of Fair Valuation." (Editorial.) _Railway Age Gazette_, March 5th, 1909. "Railway Capital and Values." W. H. Williams. (Serial.) _Railway Age Gazette_, April 2d, 1909, _et seq._ An address setting forth at length the views of the railway managers who oppose valuation of property for any purpose. "Valuation of Street Railway Properties." _Electric Railway Journal_, June 19th, 1909. A general discussion of the subject. "Commercial Valuation of Railway Operating Property in the United States: 1904." Bulletin 21, United States Bureau of the Census. Contains an exhaustive discussion of sundry methods of valuation. The most complete series of papers on valuation yet published. _The Chicago Appraisal._—