Dictionnaire des Monnaies – Supplements n°1, n°2, n°3 and n°4 (1926-1929), published by Banque Vasseur, Sittri, Bloch & Cie, Paris, represents the complete set of published supplements to the Dictionnaire des Monnaies et les Changes.

Associated with E. Audugé, the work combines money data with financial information, including exchange rates and monetary circulation during the late 1920s.

Bound in a single volume, these supplements provide corrections, expansions and new entries covering coins and banknotes from Europe and worldwide, making it an essential reference for collectors, historians and numismatists, particularly for the interwar monetary period.

Brazilian Coins (Collector’s Guide) – Numismatics by Saturino de Pádua is a reference work dedicated to the study and cataloguing of Brazilian coinage.

This annotated second edition, published in Rio de Janeiro in 1941, provides a practical and systematic guide for identifying and classifying coins, making it especially useful for collectors.

The book is considered an early and important contribution to Brazilian numismatic literature, reflecting the development of coin collecting studies in the first half of the twentieth century.

Monnaies modernes de 1789 à nos jours (Modern Coins from 1789 to Today) by Anthony Dowle and André de Clermont is a comprehensive reference work published in 1972 in Fribourg as part of the L’Univers des monnaies series.

This book offers a chronological and typological study of modern coinage from the late eighteenth century to the twentieth century, with extensive illustrations and commentary on coins from Europe, the United States, and other regions. It serves as a valuable resource for collectors, researchers, historians, and anyone interested in the development of monetary systems in the modern era.

Book of Brazilian Coins 1643‑1987 by Arnaldo Russo is a key reference for Brazilian numismatics, covering coins from the colonial era through the 1980s. The 6th edition (1987, São Paulo) provides detailed chronological and typological analysis, combining technical data with historical context.

Organized by periods — colonial, empire, and republic — the book is an essential tool for collectors and researchers, with updated classifications and coverage of more recent issues.