The first 6 typographies that are listed are considered Web Safe. That means that they are contained in most internet browsers.They are:

• Helvética
• Arial
• Verdana
• Georgia
• Trebuchet
• Century Gothic
• Lucida Grande
• Palatino
• Garamond
• Baskerville
• Caslon
• Univers
• Myriad
• Rockwell
• Warnock
• FF DIN
• Gotham
• Frutiger
• Dax Regular

Source: Inspiration Bit