140 - Specific philosophical schools 333 - Economics of land & energy 363 - Other social problems & services 380 - Commerce, communications & transportation 576 - Genetics & evolution 610 - Medicine & health more ... 700 - The arts; fine & decorative arts 7 300 - Social sciences 5 580 - Plants (Botany) 5 620 - Engineering & allied operations 5 000 - Computer science, information & general works 4 581 - Specific topics in natural history 4 414 - Phonology & phonetics 3 500 - Natural sciences & mathematics 3 540 - Chemistry & allied sciences 3 551 - Geology, hydrology & meteorology 3 600 - Technology 3 612 - Human physiology 3 900 - History & geography 3 170 - Ethics 2 304 - Factors affecting social behavior 2 340 - Law 2 630 - Agriculture & related technologies 2 720 - Architecture 2 800 - Literature & rhetoric 2 320 - Political science 1 330 - Economics 1 370 - Education 1 see all ... less ...

English 8

Directory of Open Access Books

Baptista, Paula 3 Carillo, Petronia 3 Stankovic, Milan 3 Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Chen, Jie 1 more ... Conway, Andrew 1 Dyshlovoy, Sergey A. 1 Halpern, Diane 1 Honecker, Friedemann 1 Sternberg, Robert J. 1 Zhang, Ting 1 Zhou, Qian 1 see all ... less ...

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