.
The following tomes offer a marvelous glimpse into the romance of early travel to Angkor. Well worth the effort you'll expend in trying to find any of them. Modern issues of Maugham however are readily available through Amazon, and if you've read this far then they'll probably be expecting you.
Candee, Helen Churchill, Angkor The Magnificent: The Wonder City of Ancient Cambodia, London (HF&G Witherby), 1925.
Casey, Robert J., Four Faces of Siva: The Detective Story of a Vanished Race, London. (George G. Harrap), 1929
Elvin, Harold. Avenue to the door of the Dead. London (Anthony Blond), 1961.
Loti, Pierre, Siam, WP Baines, trans., London (T.Werner Laurie), n.d. [c. 1902].
Maugham, Somerset, The Gentleman in the Parlour: A Record of A Journey from Rangoon to Haiphong, London (William Heinneman), 1930.
Ponder, HW., Cambodian Glory, The Mystery of the Deserted Khmer Cities and their Vanished Splendour, London (Thornton Butterworth), 1936.