The Philippine Islands, 1493-1898; Volume 47, 1728-1759: Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the Catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century

"The Philippine Islands, 1493-1898; Volume 47, 1728-1759" by Emma Helen Blair et al. is a historical account that was likely written in the early 20th century. This volume provides a detailed exploration of the Philippines during the mid-18th century, highlighting the social, religious, military, and economic conditions of the islands as chronicled in various contemporaneous documents and manuscripts from that period. The book aims to shed light on the development of Philippine society under colonial rule and the significant impact of Catholic missions. The opening of the volume introduces a series of historical documents that serve as a comprehensive survey of the Philippines from 1728 to 1759. The first document discusses the foundation and operations of the Santa Misericordia, a charitable brotherhood in Manila established in 1594, emphasizing its charitable work during periods of calamity, as well as its founding principles and governance. Other documents in the opening portion cover various aspects of life in the islands, including military and economic reports and correspondences about the challenges faced by the community, such as trade threats from foreign powers and the socio-political dynamics of the time, painting a vivid picture of life in the Philippines during this turbulent era. (This is an automatically generated summary.)