- A photograph of the medium, Mary Marshall, with a teleplasmic mass attached to her mouth featuring a partial materialization of a miniature version of the face of the spirit, Walter, during a séance at the home of Sylvia Barber on April 25, 1951., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84607, Luna Image ID - 119459
- A photograph of the medium, Mary Marshall, with a teleplasmic mass, referred to as a voice box, attacehd to her ear as she prepared to write a letter while in a trance state during a seance at the home of Sylvia Barber on October 29, 1947., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84664, Luna Image ID - 119473
- A photograph of the medium, Mary Marshall, writing a letter while in a trance state and under the control of the spirit, Walter, during a seance at the home of Sylvia Barber on October 1, 1947., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84676, Luna Image ID - 119476, Any reproductions of this material may be restricted by copyright regulations. Please consult Archives staff for further information.
- A photograph of the medium, Mary Marshall, with a teleplasmic mass that contained the eyes of the spirit, Walter, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on April 25, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84643, Luna Image ID - 119468, Any reproductions of this material may be restricted by copyright regulations. Please consult Archives staff for further information.
- A photograph of the medium, Mary Marshall, with a teleplasmic mass that contained the eyes of the spirit, Walter, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on April 25, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84635, Luna Image ID - 119466
- A photograph of the medium, Mary Marshall, with a teleplasmic mass, referred to as a voice box, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on February 1, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84647, Luna Image ID - 119469
- A photograph of the medium, Mary Marshall, with a teleplasmic mass that contained the eyes of the spirit, Walter, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on April 25, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84631, Luna Image ID - 119465, Any reproductions of this material may be restricted by copyright regulations. Please consult Archives staff for further information.
- A photograph of the medium, Mary Marshall, with a teleplasmic mass, referred to as a voice box, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on February 1, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84627, Luna Image ID - 119464
- A photograph of an enlargement of the medium, Mary Marshall, with a teleplasmic mass that contained the eyes of the spirit, Walter, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on April 25, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84639, Luna Image ID - 119467
- A photograph of the medium, Mary Marshall, with a teleplasmic mass that contained the eyes of the spirit, Walter, attached to the face of the medium, Mary Marshall, during a seance at the home of Sylvia Barber on April 25, 1950., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 84651, Luna Image ID - 119470, Any reproductions of this material may be restricted by copyright regulations. Please consult Archives staff for further information.
- A page from an annotated photo album featuring a photograph of the medium, Mary Marshall, with a teleplasmic mass attached to her mouth that contained the partial materialization of the face of the spirit, Walter, during a seance at the home of Mrs. Barber on April 25, 1951, and a photograph of a drawing of Jesus by Mrs. Marshall while in a trance state during a seance at the home of Dr. Thomas Glendenning Hamilton on April 9, 1933., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 83282, Luna Image ID - 119172