CATALOGO KNETSCHEL de los Sellos Argentinos, 1974, and KNETSCHEL, CATALOGO de los Sellos Postales de Argentina, 1958, volume I and II, all three written in Spanish with highly specialized presentations from classic issues up to the respective years of issue, including loads of plate flaws and other specialities, large variety of mute, private and regular cancellations, postal history, stationeries, plate proofs and many more, such a sophisticated catalogue makes it easy to collect Argentina
; Übersee A-Z; ARGENTINIEN; Markenausgaben
; Overseas A-Z; ARGENTINA; Stamp Issues