Deltiology

This is the study of postcards; the person doing the research, a deltiologist. Randall Rhodes of Ashland, Ohio, first used the term. It means (from the Greek) the science or study (logos) of small pictures or cards (deltion)

Deltiology

Deltiology (from Greek δελτίον, deltion, diminutive of δέλτος, deltos, `writing tablet, letter`; and -λογία, -logia) is the study and collection of postcards. Professor Randall Rhoades of Ashland, Ohio, coined a word in 1945 that became the accepted description of the study of picture postcards. It took about 20 years for the n.....
Found on http://en.wikipedia.org/wiki/Deltiology

Deltiology

Deltiology is the hobby of collecting postcards.
Found on http://www.probertencyclopaedia.com/browse/AD.HTM

deltiology

deltiology The collection and study of postcards; and has no reference to the deltic muscle. It comes from Greek deltion, 'little writing tablet' and from Greek deltos, 'writing tablet'. This word has nothing to do with the other words in this delta unit.
Found on http://www.wordinfo.info/words/index/info/view_unit/624/

deltiology

the collection and study of picture postcards
Found on http://phrontistery.info/d.html
No exact match found