Free Icons: 'Silk' (see info for licensing details)

tab	tab add	tab delete	tab edit	tab go	table
table add	table delete	table edit	table error	table gear	table go
table key	table lightning	table link	table multiple	table refresh	table relationship
table row delete	table row insert	table save	table sort	tag	tag blue
tag blue add	tag blue delete	tag blue edit	tag green	tag orange	tag pink
tag purple	tag red	tag yellow	telephone	telephone add	telephone delete
telephone edit	telephone error	telephone go	telephone key	telephone link	television
television add	television delete	text align center	text align justify	text align left	text align right
text allcaps	text bold	text columns	text dropcaps	text heading 1	text heading 2
text heading 3	text heading 4	text heading 5	text heading 6	text horizontalrule	text indent
text indent remove	text italic	text kerning	text letter omega	text letterspacing	text linespacing
text list bullets	text list numbers	text lowercase	text padding bottom	text padding left	text padding right
text padding top	text replace	text signature	text smallcaps	text strikethrough	text subscript
text superscript	text underline	text uppercase	textfield	textfield add	textfield delete
textfield key	textfield rename	thumb down	thumb up	tick	time
time add	time delete	time go	timeline marker	transmit	transmit add
transmit blue	transmit delete	transmit edit	transmit error	transmit go	tux