José Trinidad Reyes, overprinted (Honduras 1973)

Stamp José Trinidad Reyes, overprinted it reflects the thematic directions:

A census is the procedure of systematically acquiring, recording and calculating population information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses include censuses of agriculture, traditional culture, business, supplies, and traffic censuses. The United Nations (UN) defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every ten years. UN recommendations also cover census topics to be collected, official definitions, classifications and other useful information to co-ordinate international practices

Clergy are formal leaders within established religions. Their roles and functions vary in different religious traditions, but usually involve presiding over specific rituals and teaching their religion's doctrines and practices. Some of the terms used for individual clergy are clergyman, clergywoman, clergyperson, churchman, cleric, ecclesiastic, and vicegerent while clerk in holy orders has a long history but is rarely used

Education sciences, also known as education studies or education theory, and traditionally called pedagogy, seek to describe, understand, and prescribe education including education policy. Subfields include comparative education, educational research, instructional theory, curriculum theory and psychology, philosophy, sociology, economics, and history of education. Related are learning theory or cognitive science.