Sources / Links: Monetary History

Source
Comment
Kurt Schuler: Tables of Modern Monetary History
(no longer on the Web)
Paper currencies and currency institutes
F.E. Feller et al.: "J.C. Nelkenbrecher's allgemeines Taschenbuch der Münz-, Mass- und Gewichtskunde" (1858)
Historical value definitions of metallic currencies
Friedrich Noback: "Münz-, Mass- und Gewichtsbuch" (1877)
Historical value definitions of metallic currencies
R. Sédillot: "Toutes les monnaies du Monde" (1955);
F. Pick, R. Sédillot: "All the Monies of the World" (1971)
Currency history
World Currency Yearbook (1955-1999)
Modern currency history
ISO-4217
Currency codes

Sources / Links: Languages and Writing Systems

Source
Comment
G.L. Campbell: "Compendium of World's Languages"
Grammatical structure of the World's languages, but does not cover much of Africa
Ethnologue
Complete inventory and classification of the world's languages
Omniglot
Major web reference for the World's writing systems
F. Coulmas: "Writing Systems"
Non-latin alphabets
C. Faulmann: "Das Buch der Schrift"
Non-latin alphabets
Bundesdruckererei [ed.]: "Alphabete und Schriftzeichen des Morgen- und des Abendlandes"
Non-latin alphabets
Geonames.de
Local spelling of proper names (geography, current rulers, etc)
Zompist.com
Numbers from 1 to 10 in over 5'000 Languages>
A.R. Frey: "Dictionary of Numismatic Names";
A. Room: "Dictionary of Coin Names"
Etymology of coin and currency names
F.W.A Schlickeysen; R. Pallmann: "Erklärung der Abkürzungen auf Münzen"
Coin inscriptions (in particular abbreviated ones)
W. Rentzmann: "Numismatisches Legenden-Lexikon"
Coin inscriptions (in particular abbreviated ones)
R.J. Plant: "Arabic Coins and how to read them";
R.J. Plant: "Greek, Semitic, Asiatic Coins and how to read them"
Excellent introduction to the mystery of foreign coin inscriptions
ISO-639
Language codes
ISO-15924
Writing system codes