same year, Shakers set aside sacred places in each community, with names like Holy Mount and Mount Sinai, for "mountain meetings" or "mountain feasts" held spring and fall. Other revelations resulted in publishing visionary Philemon Stewart's A Holy, Sacred and Divine Roll and Book. Initially, the period had an effect of strengthening spiritual fervor and helped them to maintain their Shaker principles of simplicity, utility and honesty. The spiritual manifestations were particularly embraced by the younger members of the sect. Over time, though, the older members were increasingly disenchanted. In 1845 the sect revised their guiding edicts, the Millennial Laws, making them stricter. The laws dictated household and life practices, such as limiting mirror size and defining the allowed color of bed linens. After the revision of laws, some "believers" left the Shakers. Gift drawings Several pieces of art were created as part of the manifestation in New Lebanon, New York, and Hancock, Massachusetts. These were called "gift drawings" and depicted visions received by the Shakers during this time. They were made with "painstaking precision" using watercolors or transparent inks. They generally included many small emblems, considered "wildly extravagant by Shaker standards," such as treasure chests, heavenly mansions, golden chariots, flowers and fruits. and included written messages of friendship or reverence, with calligraphic intricacies, resembling fine lacework. Generally, works would not be signed by the artist. The tree of life has become an icon to represent Shakers. Some of these "drawings" are now part of the American Folk Art Museum collection. Key artists from the Shaker community were Hannah Cohoon, Polly Collins and Joseph Wicker; others include Sarah Bates and Polly Anne Reed. The Era of Manifestations ended when Shaker community members became embarrassed by the "emotional excesses and mystical expressions of this period."<ref name="Schorch">David A. Schorsch and Ruth Wolfe. [http://www.afanews.com/articles/item/1641-a-cutwork-tree-of-life-in-the-manner-of-hannah-cohoon#.Uy8LfIXJH4A A Cutwork Tree of Life in the manner of Hannah Cohoon.] AFANews. February 23, 2013. Retrieved March 23, 2014.</ref> References Further reading Wergland, Glendyne R. “Validation in the Shaker Era of Manifestations: A Process Analysis.” Communal Societies''. Volume 26.2 (2006): 121–40. Shakers Christian revivals