Guide to personal indexes : using edgenotched, unitern and peek - a - boo cards
Foskett, A. C.
Guide to personal indexes : using edgenotched, unitern and peek - a - boo cards - 2nd rev ed. - London Clive Bingley 1970 - 91p.
029.5 FOS
Guide to personal indexes : using edgenotched, unitern and peek - a - boo cards - 2nd rev ed. - London Clive Bingley 1970 - 91p.
029.5 FOS