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SpringerLink (Online service) 18 770 Adam Matthew Digital (Firm) 14 309 Society of Photo-optical Instrumentation Engineers 11 850 Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science 10 710 Institute of Electrical and Electronics Engineers 9 498 ebrary, Inc 9 385 IEEE Xplore (Online service) 9 127 Massachusetts Institute of Technology Department of Mechanical Engineering 8 789 Culinary Collection (University of Pennsylvania) 8 080 United States Bureau of Mines 6 208 ProQuest (Firm) 5 986 Sloan School of Management 5 811 United States National Aeronautics and Space Administration 5 787 Chef Fritz Blank Culinary Archive and Library (University of Pennsylvania) 5 735 Laurie Burrows Grad Collection (University of Pennsylvania) 5 317 Langley Research Center 4 089 Society of Photo-Optical Instrumentation Engineers 3 518 SPIE (Society) 2 923 National Research Council (U.S.) Transportation Research Board 2 854 Geological Survey (U.S.) 2 811 United States General Accounting Office 2 638 Lewis Research Center 2 628 IEEE Computer Society 2 565 Massachusetts Institute of Technology Department of Aeronautics and Astronautics 2 510 United States Federal Highway Administration 2 267 Massachusetts Institute of Technology Department of Physics 2 176 Massachusetts Institute of Technology Department of Materials Science and Engineering 2 152 Massachusetts Institute of Technology Department of Urban Studies and Planning 2 110 Massachusetts Institute of Technology Department of Civil and Environmental Engineering 1 885 American Society for Testing and Materials 1 786 Visa alla ...

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Congresses 126 806 Conference papers and proceedings 89 657 Electronic books 82 639 Periodicals 37 115 History 36 329 Exhibitions 29 501 Pictorial works 27 511 Cookbooks 18 894 Exhibition catalogs 18 677 Handbooks, manuals, etc 17 466 Technical reports 15 689 Biography 15 195 Handbooks and manuals 12 265 Catalogs 11 272 Biographies 9 214 Dictionaries 8 714 Livres de cuisine 6 918 cookbooks 6 855 Illustrated works 5 385 Directories 5 007 Congrès 4 738 Portraits 4 658 Photobooks 4 475 Statistics 4 270 Early works to 1800 3 986 Cookbook 3 721 Electronic journals 3 569 Juvenile literature 3 040 Bibliography 3 004 Academic theses 2 943 Visa alla ...

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