entity_id,source_id,evidence_type,source_note ENT_SPI_DOORKEEPER,SRC_SPIRITUALISM,scholarly attestation,A protective guardian spirit in Spiritualist practice who controls which spirits are permitted to approach or communicate through a medium; a role-type whose identity varies by medium. ENT_SPI_SPIRIT_GUIDES,SRC_SPIRITUALISM,scholarly attestation,The class of discarnate guiding spirits believed to communicate through and assist mediums; a practice-defined category rather than a fixed roster of named beings. ENT_SPI_SUMMERLAND,SRC_SPIRITUALISM,scholarly attestation,"The Spiritualist afterlife or spirit world, conceived as a pleasant realm of rest and ongoing moral and spiritual progress; details vary widely across 19th-century Spiritualist sources."