This lesson covers common abbreviations and rules for usage and punctuation.
Source: Linda Neuman, https://docs.google.com/viewer?a=v&q=cache:LDsZOiJADWsJ:editteach.org/special/blackboard6/abbreviations.ppt+&hl=en&gl=us&pid=bl&srcid=ADGEESjboD8BNZgvArJ4WKw4UoCxD9SzOeWUh1F1js-jpuJMhE2S6SSPDUlBT8Ql7zuvKi79cmTs58EG14pvmVS7DXgZA79ffv6xeR8LC5t