Volume II: Guitar Duos. Composed by Robert Martin. Set of performance scores. With Standard notation. 20 pages. Theodore Presser Company #144-40282. Published by Theodore Presser Company (PR.144402820).
Volume III: Guitar Trios. Composed by Robert Martin. Full score (large). With Standard notation. Theodore Presser Company #144-40283S. Published by Theodore Presser Company (PR.14440283S).
Volume III: Guitar Trios. Composed by Robert Martin. Set of Score and Parts. With Standard notation. 20+12+12+12 pages. Theodore Presser Company #144-40283. Published by Theodore Presser Company (PR.144402830).