Web Design - Fonts and Typography

Information, development and research about fonts, font families, serif, sans-serif, etc is what's coined as typography. What fonts are safe to design for Web pages? And what fonts are considered safe to use when designing for print? Get the specifics from the list below:

Fonts and Typography Resources:

Cascading Style Sheets, Level 1
W3C's CSS, level 1 specifications - Font properties.
Microsoft Typography
Fonts, developing fonts, typography / font tools and utilities and more.
456 Berea St. Web fonts and typography
Resources, books, accessible Web typography and more

See also: Generic Font Families.