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
1481
1482
Published: 1930
Superior document: Reprint / Bell Telephone Laboratories B-460
1483
Published: 1972
Superior document: Transactions of the American Philosophical Society N.S.62,8
1484
Published: 1962
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, Division of Agricultural Sciences 516
1485
Published: 1981
Superior document: Trabajos de matemática / Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto Argentino de Matemática 34
1486
Published: 1980
Superior document: Das Fischer-Lexikon 6
1487
1488
1489
Published: 1988
Superior document: Königreich des Südens Italien 1943/44 [1]
1490
Published: 1990
Superior document: Königreich des Südens Italien 1943/44 2
1491
Published: 1958
Superior document: Ancient monuments of India 4
1492
1493
1494
1495
1496
1497
Published: 1976, [ersch., 1976]
Superior document: Völkerkundliche Veröffentlichung 1
1498
1499
1500
Published: 1946
Superior document: University of Toronto studies : Biological series 53,[1]