1
by P. R.
Published 1845
S. Clarke

6
by Gerke, P.R.
Published 1982
Springer Berlin Heidelberg

8
by D. P. R.
Published 1813
s.n

9
by Marchand, P. R.
Published 1845
Librairie de Guillaumin

10
by Davies, P R
Published 2007
Royal Society of Chemistry

11
by Agénor, P. R.
Published 2009
The World Bank
Other Authors: ...Agénor, P. R....

12
by Vittal, P. R.
Published 2013
Pearson

13
by Soni, P. R.
Cambridge International Science Pub

14
by Halmos, P.R.
Published 1974
Springer New York

15
by Halmos, P. R.
Published 1974
Springer New York

16
by Halmos, P.R.
Published 1982
Springer New York

17
by Burch, P.R.
Published 1976
Springer Netherlands

18
by Vittal, P. R.
Published 2013
Dorling Kindersley (India)

19
by Halmos, P.R.
Published 1985
Springer New York