Although this blog is not intended as a buying/selling forum, BPH members might be interested to learn that a UK bookseller has the following books available. As most of you will be aware these volumes are very useful sources for the period:
British Journal Photographic Almanac - 1871, 1874, 1876, 1877, 1880 (all paper covers); plus 1892, 1894 (lack covers)
Year Book of Photography - 1880, 1882, 1886, 1889, 1890, 1891 (all paper covers)
The bookseller is: Modern First Editions which can be reached on 01943 608596.
If you go after them please mention Michael Pritchard sent you.