Many print and online works of advice literature and etiquette are available at Penn and can be located with Franklin. Note: Many works published in the 18th and 19th century that are listed in Franklin as being located in Van Pelt Library Microtext are actually available online. Look at the full record to see whether there is a link to an online version. You may also want to browse sections of the stacks that have many works of advice literature: BJ 1547 to the end of the BJs, and 147-148.
Try doing subject keyword searches for these terms and browsing through the resulting list of subjects for those that are relevant.