The January 2021 Zillman Column features 2021 Directory of Directories by Marcus P. Zillman, M.S., A.M.H.A.; Executive Director of the Virtual Private Library. This is a comprehensive listing of directory resources and sites on the Internet.These competent directory resources will be your search engine for your research today and tomorrow.  The below list of sources is taken from his Subject Tracer™ Information Blog titled Directory Resources 2021 and is constantly updated with Subject Tracer™ bots at the following URL: http://www.DirectoryResources.info and http://www.2021DirectoryOfDirectories.com/. These resources and sources will help you to discover the many pathways available to you through the Internet to find the latest directory resources, sources and sites. Download this excellent freely available 30 page 681KB pdf column today. This is another MUST have column to discover the latest 2021 competent online directories, subject tracers and subject trees resources and sources to give you the information you need in today’s ever changing and fast paced 2021 New Economy business and academic research world and the New Normal.