This document provides guidance on using secondary sources like New York Jurisprudence to research legal topics. It notes that secondary sources offer analysis and summaries of primary law and are an excellent way to gain a broad overview before examining case law. The document outlines the structure and contents of national, state-specific, and topic-specific secondary sources and advises beginning research by reviewing the table of contents and index to identify relevant sections. Researchers are directed to consult the print edition of New York Jurisprudence in law libraries or firms to efficiently start their research.