• http://en.wikipedia.org/wiki/Dust_Bowl_migrants
  

• http://faculty.headroyce.org/~us2001/meredithc/okielifeincalifornia.html
  

• http://memory.loc.gov/ammem/afctshtml/tsme.html

• http://www.livinghistoryfarm.org/farminginthe30s/water_06.html
  

• http://digital.library.okstate.edu/encyclopedia/entries/O/OK008.html