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

62
by R--t B-r
Published 1730
printed in the year

63
by Troutman, R.R.
Published 1986
Springer US

64
by Brooks, R. R.
Published 2013
Chapman and Hall/CRC

66
by Davies, R. R.
Published 1995
Oxford University Press

67
by Davies, R. R.
Published 2007
Oxford University Press

68
by Davies, R. R.
Published 2009
Oxford University Press

69
by Millis, R.R.
Published 1984
Springer Netherlands

70
by Kuhlen, R., Rossaint, R.
Published 2005
Springer Berlin Heidelberg

71
by Kuhlen, R., Rossaint, R.
Published 2007
Springer Berlin Heidelberg

73
by Lewis, R.M.R.
Published 2016
Springer International Publishing

74
by Gottlob, R., May, R.
Published 1986
Springer Vienna

75
by Tricker, R. A. R.
Published 1974
Vieweg+Teubner Verlag

76
by Tricker, R. A. R.
Published 1974
Vieweg+Teubner Verlag

78
by Lewis, R. M. R.
Published 2021
Springer International Publishing

79
by Retamal Marín, R. R.
Published 2022
Springer International Publishing