The Banner of Light (periodical)
Published in New York and Boston between 1857 and 1907, The Banner of Light has been described as "An exponent of the spiritual philosophy of the nineteenth century." It was published weekly.
Issues available online
The International Association for the Preservation of Spiritualist and Occult Periodicals (IAPSOP) has posted PDF files of scanned issues for the periodical from 1857 through 1894. It is available at the IAPSOP website. All pages are indexed and searchable.