Feodor Jagor's Travels in the Philippines (the out-of-print 1875 English translation corrected from the original German text)--The state of the Philippines in 1810, by Tomas de Comyn (William Walton's 1821 translation modernized)--Manila and Sulu in 1842, by Com. Chas. Wilkes (Narrative of U.S. exploring expedition 1838-42, v. 5)--Manila in 1819, by Lieut. John White (from the "History of a voyage to the China Sea")--The peopling of the Philippines, by Doctor Rudolf Virchow (O. T. Mason's translation; Smithsonian institution 1899 report)--People and prospects of the Philippines, by an English merchant, 1778, and a consul, 1878 (from Blackwood's and the Cornhill magazine)--Filipino merchants of the early 1890s, by F. Karuth.