R
R, or r, is the eighteenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''ar'' (pronounced ), plural ''ars'', or in Ireland ''or'' ().The letter is the eighth most common letter in English and the fourth-most common consonant, after , , and . Provided by Wikipedia
1501
1502
1503
Published: 1966
Superior document: Transactions of the American Philosophical Society N.S.,56,1
1504
1505
1506
Published: 1980
Superior document: Vital and health statistics / US Department of Health, Education, and Welfare ... : Series 4 = Documents and committee reports 22
1507
1508
1509
1510
Published: 1970
Superior document: Monografia da tribo Ibidionini (Coleoptera, Cerambycinae) 4
1511
Published: 1976
Superior document: Arquivos de zoologia 27,3/4
1512
Published: 1970
Superior document: Monografia da tribo Ibidionini (Coleoptera, Cerambycinae) [7]
1513
1514
1515
1516
1517
1518
Published: 1921
Superior document: Cuba before Columbus Part 1, Vol. 1
1519
1520
Published: 1993
Superior document: Variorum collected studies series 408