Study of the areas of informetrics, bibliometrics, scientometrics and webometrics in the world

The purpose of this study, content analysis of informetrics, bibliometrics, scientometrics and webometrics Books and Theses in the world.
Research This study is an applied research that done by content analysis method. Statistical population consisted of 730 English books in the Amazon's database and 1069 English thesis in the Proquest database that classified in 15 subject categories. Data were collected by checklists and analyzed by Excel software’s.
Findings: The findings showed that more books of informetrics, bibliometrics, scientometrics and webometrics are compilation and publication trends of them are ascending and more thematic approach of them are analysis of patents, citation analysis, bibliometric and scientific communication. Also theses publishing trend are ascending that the most thematic approach of them are scientometric, citation analysis, bibliometric, webometrics, scientific communication and researcher’s performance evaluation and the lowest thematic approach of books and theses in the world are informetrics, scientific collaboration, co-citation, co-authorship, information visualization and knowledge, website evaluation and journals impact factor. In addition, most researches of informetrics, bibliometrics, scientometrics and webometrics in the world done in the field of computer science, higher education, management, information technology and library and information science and the lowest done in the fields of Ethics, history, philosophy, law, women's studies, nanotechnology, psychology, physics, chemistry, religion, math, entrepreneurship, geography, patent analysis, biology, chemistry, ecology and statistics.
The results showed that subject of informatics, bibliometrics, scientometrics and webometrics books and thesis in the world is based on citation analysis and of subjects is a more distribution.