Baltimore, MD: Association for Symbolic Logic, 1950. Softcover. Four volume run! Printed paper wraps with stapled bindings, octavos, 316pp., not illustrated. Books have mild toning and rubbing to wraps, stapled bindings tight, texts clean and unmarked, foxing to top edges of text blocks.

Baltimore, MD: The Association for Symbolic Logic, 1941. Softcover. Volume six number 2 only! Printed paper wraps with stapled binding, octavo, paginated 41-72, not illustrated. Book has toning and rubbing to wraps, mild wear to corners, small split to spine head, stapled binding tight, text clean and unmarked, foxing to.....

Baltimore, MD: The Association for Symbolic Logic, 1944. Softcover. Volume nine number two only! Printed paper wraps with stapled binding, octavo, paginated 33-56, not illustrated. Book has mild wear to spine ends and corners that includes a split to spine head, binding tight, text clean and unmarked, foxing to top.....

Suffolk, England: Association for Symbolic Logic, 1969. Softcover. Four volume set! Printed paper wraps, octavos, 746pp., not illustrated. Books have faint toning and wear to wraps, bindings tight, texts clean and unmarked, with foxing to top edge of text blocks.

Suffolk, England: Association for Symbolic Logic, 1971. Softcover. Four volume set! Printed paper wraps, octavos, 808pp., not illustrated. Books have faint toning and wear to wraps, bindings tight, texts clean and unmarked, with foxing to top edge of text blocks.

Suffolk, England: The Association for Symbolic Logic, 1972. Softcover. Four issues! Printed paper wraps, octavos, 825pp., not illustrated. Books have faint sun toning to spines, bindings tight, texts clean and unmarked but top edges of blocks are foxed.

Providence, RI: The Association for Symbolic Logic, 1975. Softcover. Four issues! Printed paper wraps, octavos, 762pp., not illustrated. Books have faint sun toning to spines, number 1 has coffee stain to front panel and foredge of text block, bindings tight, texts clean and unmarked but edges of blocks are foxed.....

Groningen, The Netherlands: Association for Symbolic Logic, 1962. Softcover. Four volume set! Printed paper wraps, octavos, 504pp., not illustrated. Books have mild chips and tears to spine ends, number 4 has front panel loose and worn but present, bindings tight, texts have previous owner's signature to front endpaper of each.....

Groningen, The Netherlands: Association for Symbolic Logic, 1965. Softcover. Four volume set! Printed paper wraps, octavos, 252pp., not illustrated. Books have faint toning and wear to wraps, bindings tight, texts clean and unmarked, with foxing to top edge of text blocks.

Groningen, The Netherlands: Association for Symbolic Logic, 1966. Softcover. Four volume set! Printed paper wraps, octavos, 737pp., not illustrated. Books have faint toning and wear to wraps, chips and tears to spine ends, bindings tight, texts clean and unmarked, with foxing to top edge of text blocks.

Providence, RI: The Association for Symbolic Logic, 1976. Softcover. Four issues! Printed paper wraps, octavos, 825pp., not illustrated. Books have faint sun toning to spines, bindings tight, texts clean and unmarked but edges of blocks are foxed.

Providence, RI: The Association for Symbolic Logic, 1978. Softcover. Four issues! Printed paper wraps, octavos, 759pp., not illustrated. Books have faint sun toning to spines, mild soil to wraps, bindings tight, texts clean and unmarked but edges of blocks are foxed.

Groningen, The Netherlands: Association for Symbolic Logic, 1960. Softcover. Four volume run! Printed paper wraps, octavos, 412pp., not illustrated. Books have mild toning, foxing and rubbing to wraps, chipping to spine ends, number 3 has spine tattered and rear panel split at joint and loose, otherwise bindings tight, texts clean.....