This folder contains the following:
- General Osiris advertisements, detailing their ethos, methods and terms.
- Circulars detailing Osiris services; theatrical productions, classes, talks, lecture-recitals and demonstrations.
- Speculative letters detailing prospective performances and other services to general or specific targeted recipients.
- A notebook titled 'Good Set Terms' containing original copies of letters and circulars, as well as an advertisement for an audition for a new troupe member. Some items within the notebook are dated 1937, otherwise largely undated.
- Printed advertisement for the audition of a new member, with terms of employment, dated 1947.