In Formal letter^x, Abbreviations^x

There are nearly 3 million google hits and 2 million yahoo hits for CON'T as the abbreviation for continue/continued. It's not a form listed in popular dictionaries. cont. contd cont'd cnt Why do you suppose it has become so common? Perhaps: - It's an abbreviation of an...

Where is this abbreviation (con't) for? I would understand better if it would be "con'd" for " con tinue d ".

What is the correct format for author and typist codes at the end of a letter? AND What is the correct usage (if any) on "Con't" to denote multiple pages of a formal letter? … Hi, I wish I could find a free, easy to use resource. If you find one, please post your information here. I couldn’t...