Classification
000 - Computer science, information & general works
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
410 - Linguistics
1
500 - Natural sciences & mathematics
576 - Genetics & evolution
600 - Technology
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
900 - History & geography