Oology eggshell. Egg blowing is also done with domestic bird's eggs for the hobby of Egg decorating. Numerous books, and at one point a journal, have been published on egg collecting and identification: Oology Oology (or oölogy) is a branch of ornithology studying bird eggs, nests and breeding behaviour. The word is derived from the Greek "oion", meaning egg. Oology can also refer to the hobby of collecting wild birds' eggs, sometimes called egg collecting, birdnesting or egging, which is now illegal in many jurisdictions. Oology became increasingly popular in Britain and the United States during the 1800s. Observing birds from
What Is the Third Estate? and operated by independent associations, and therefore society would be self-governed. A comprehensive collection of writings on the topic was released under "Pluralist Theory of the State". Modern equivalent theories building upon the ideas within pluralistic state theory are libertarian socialism and free-market anarchism. An example of the former is guild socialism, one of the founders of which is G. D. H. Cole mentioned above. What Is the Third Estate? What Is the Third Estate? () is a political pamphlet written in January 1789, shortly before the outbreak of the French Revolution, by the French thinker and clergyman Abbé Emmanuel