PRIMEDIA Business Magazines & Media Inc.  ( 73 Titles / 88,929 Abstracts )
Palgrave Macmillan  ( 51 Titles / 7,462 Abstracts )
Pan American Health Organization (PAHO)  ( 18 Titles / 1,669 Abstracts )
Peeters Publishers  ( 63 Titles / 21,479 Abstracts )
Penn State University Press  ( 21 Titles / 2,780 Abstracts )
PennWell Corporation  ( 7 Titles / 7,758 Abstracts )
Penton Media, Inc  ( 30 Titles / 33,272 Abstracts )
Periodica Polytechnica  ( 7 Titles / 105 Abstracts )
Polish Academy of Sciences  ( 12 Titles / 1,418 Abstracts )
Pontificia Universidad Católica de Valparaíso  ( 6 Titles / 555 Abstracts )
Primary Research Group  ( 7 Titles / 162 Abstracts )
Professional Engineering Publishing  ( 7 Titles / 20,307 Abstracts )
Purdue University Press  ( 7 Titles / 639 Abstracts )
Putman Media, Inc.  ( 6 Titles / 3,891 Abstracts )