RHODES, WILLIAM HENRY.
Rhodes' calculating systems. Book no. 10, by W. H. Rhodes. NM: additions & revisions.
RHODES, WILLIAM HENRY. Rhodes' calculating systems. Book no. 10, by W. H. Rhodes. NM: additions & revisions. © 3Jan44; AA448143. Ersel William Rhodes (C); 3Feb71; R500338.
Ersel William Rhodes|C