The Avalon Project from Yale University is a good source for colonial charters and a small selection of other colonial laws.
This research guide pulls together various sources for laws of the original thirteen colonies.
Colonial laws may be available in tangible formats:
Colonial laws may also be available on the Internet:
The Federal and State Constitutions, Colonial Charters, and Other Organic Laws of the State, Territories, and Colonies Now Or Heretofore Forming the United States of America, by Francis Newton Thorpe (1909)
Full text at Google Books: