The Grimaldi Family - History and PDF genealogy of the Genoese family of the princes of Monaco.
Henri IV of France - Detailed site about Henri III of Navarre (1553-1610) who against the odds, became Henri IV of France, including profiles of contemporary figures and a bibliography.
Kings and Queens of Europe - Information on European monarchs through history with briefs on each consort, links and portraits.
List of Rulers: Chronology and Genealogy - Ian Mladjov's compilation of names, titles, and sobriquets; reigns, state and dynastic history; and other background information on European houses.
The Mad Monarchs Series - A series of short biographies of the personal lives of history's mad monarchs. Many royals had egocentric, megalomaniac and paranoid tendencies and displayed a lack of empathy for their subjects. Although some royals in this series were perhaps not exactly mad, they certainly were peculiar.
Moreorless - Short biographies, photographs, and background notes on twentieth century leaders whom the author considers heroes or killers.
Real Casa di Borbone delle Due Sicilie - The official website of the Royal Family of Bourbon Two Sicilies describes the dynasty that reined over Southern Italy from 1734 to 1861.
Royal Spotlight - Latest news and comment about the Royals and Royalty, and their nobility from media sources around the World, updated daily, from Stuart Buchanan MacWatt.
Royalty Monthly Magazine's Official Website - News, Interviews and Pictorial Coverage on UK and Overseas Royals. The worlds biggest source for books/magazines on Princess Diana and Royal Families worldwide.
Royalty.nu - News, history articles, books, and links about kings and queens from around the world, past and present.
Rulers Of The World - "This site contains lists of heads of state and heads of government (and, in certain cases, de facto leaders who don't occupy either of those formal positions) of all countries and territories, usually going back to at least 1900."
States and Regents of the World - An alphabetical listing of the states and territories and their regents in the 19th and 20th centuries
The World of Royalty - The history of royal families worldwide, from . Royal History, Recent News, and Books. From Prince Charles and Princess Diana to China's Dowager Empress Tzu Hsi.
World Rulers - Past and present rulers of the still existing states in the world.