Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 40-66.
The second of a three-part introduction to the alpha and beta parts of existential graphs. For the first and third...

Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 1-31.
The first and third parts of an introduction to the alpha and beta parts of the system of existential graphs; MS. 456 is...

A. MS., n.p., [c.1903?], pp. 1-52 (p. 25 missing), with 11 pp. of variants.
Nominal and real definitions; definition of terms, e.g., “postulate,” “axiom,” “corrollary,” “theorem,” which are...

A. MS., n.p., [c.1903?], pp. 1-2; 1-5, incomplete, with an alternative p. 5.
The pure mathematics of existential graphs, alpha and beta parts, with definitions and permissions of...

From the Robin Catalogue:
A. MS., n.p., [c.1895], pp. 1-29, incomplete.
Same questions raised as in MS. 14. “Mathematics” defined, with extended comments on the divisions of the...