Here are the answers based on what I know to date. Needless to say, if any of you feel these answers are incorrect, please let us know.
1. Henry Ridgely Evans, 1897, as an appendix to Hopkins' Stage Magic. Ellis Stanyon's bibliography (1899) was the first bibliography to be published as a stand-alone publication.
2. Two printings were done, which is a bit surprising considering how scarce in commerce this title is.
3. Thomas Frost, The Lives of the Conjurors (London, 1876).
4. Kellar's A Magician's Tour (1886). The deluxe edition had bevelled edges on the cloth biniding and all page edges were gilt.
5. I believe Kevin is correct. It was A.B. Engstrom's The Humorous Magician Unmasked (1836).
6. 1902 (sorry, Marco! :) ).
7. True, as Marco wrote.
8. I am aware of at least three printings of the first edition of this book. Marco, your answer may have been based on what you found in the second edition co-authored by Maurine Christopher (published in 1996). The way to read those series of numbers at the bottom of the verso of the title page is to take the lowest number showing and the earliest date given - that gives the date and printing number of the book. As subsequent printings are done, the publisher removes the next earliest number and the oldest date. Based on the copy I have, there is still the number 1 in the series 1-6, and the same way of reading the date applies.
9. Marcos answer is correct. This monograph was actually an excerpt from Mulhollands earlier The Story of Magic (published in 1935).
10. True, as Marco wrote.