The source is a compilation of excerpts from a 1910 book entitled "The Book of Forbidden Knowledge." The text is a collection of various esoteric topics, ranging from divination and dream interpretation to love charms and superstitions. It also covers topics such as black magic, mesmerism, and spirit mediumship. The text provides an overview of various practices and beliefs believed to influence or reveal the future. The content is presented as a series of instructions and explanations, often referencing ancient practices and folk traditions.