... Other . ▁By ▁occupation ▁ 3 1 7 6 - 3 1 9 9 ........ ... Special ▁classes . ▁By ▁race ▁or ▁eth nic ▁group ▁ 4 0 0 5 - 4 0 1 3 ........ ... Im migr ants ▁ 4 0 2 3 - 4 4 7 0 . 7 .... ..... Po or ▁in ▁cities . ▁Sl ums ▁ 4 4 8 0 - 4 6 3 0 ........ ... M end ican cy . ▁V ag ab ond ism . ▁Tr amps . ▁Hom eless ness ▁ 4 7 0 1 - 4 8 9 0 . 9 .... ..... Pro te ction ▁of ▁animals . ▁Animal ▁rights . ▁Animal ▁w elf are ▁ 4 9 0 5 - 4 9 5 9 ........ ... An imal ▁experiment ation . ▁Anti - viv ise ction ▁ 4 9 6 1 - 4 9 9 5 ........ .... D eg ener ation ▁ 5 0 0 1 - 5 7 2 0 . 5 ........ .. Al co hol ism . ▁In temper ance . ▁Tem per ance ▁reform ▁ 5 7 2 5 - 5 7 7 0 ........ .... T ob acco ▁habit ▁ 5 8 0 0 - 5 8 4 0 ........ .... D rug ▁hab its . ▁D rug ▁ab use ▁ 6 0 0 1 - 7 2 2 0 . 5 ........ .. C rimin ology ▁ 6 0 3 5 - 6 1 9 7 ........ .... C riminal ▁anth rop