http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
containing a comprehensive table of functions of a one-degree curve, with correction quantities giving exact values for any degree of curve, together with various other tables and formulas, including radii, natural sines, cosines, tangents, cotangents, etc. To which is added a method of finding any function of a curve of any degree or radius without a field book