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On one of the design blogs I look at there was an entry about this old book by Mario Dal Fabbro called How to build Modern Furniture 53. From what I could find, it looks like a very interesting and useful book even if the style of furniture isn't your cup of tea. Looks like it is OOP but there seem to be used copies available. I found a cloth-bound version and ordered it this morning.
A Google search for the author or the title will turn up some scans from the book.
I banged out a quick drawing of an easy chair based on the dimensions in the one of the scans.