Guide for professional and family historians to dating family photographs from the period 1850-1920, both by photo type and by costume. The author is a record agent in genealogical studies. This is an excellent book for those trying to identify photos. This will assist on dating photos via fashion and photographers. One resource I use constantly. Available in libraries it is hard to find a copy to buy now but if you can find one worth grabbing it. ” pp. 128 illusts #0218 Geneaology