- Python: Sort a dictionary by value
- http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value
- Sorting dictionaries by value in Python 2.4 (Python recipe)
- http://code.activestate.com/recipes/304440-sorting-dictionaries-by-value-in-python-24/
- PEP 265 -- Sorting Dictionaries by Value
- http://www.python.org/dev/peps/pep-0265/
- Python - Sort A Dictionary By Values
- http://coreygoldberg.blogspot.tw/2008/06/python-sort-dictionary-by-values.html
- How to sort a Python dict by value
- http://stackoverflow.com/questions/3417760/how-to-sort-a-python-dict-by-value
- How to sort a Python dict (dictionary) by keys or values
- http://www.saltycrane.com/blog/2007/09/how-to-sort-python-dictionary-by-keys/