You mentioned Larry Lessig's Free Culture, but it also includes some out of print titles by publishers who are open to the concept, such as O'Reilly.
1	You	you	PRON	PRP	Case=Nom|Number=Sing|Person=2|PronType=Prs	2	nsubj	2:nsubj	Discourse=adversative-concession:83->84:1|Entity=(2-person-giv:inact-cf2-1-ana)
2	mentioned	mention	VERB	VBD	Mood=Ind|Number=Sing|Person=2|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	Larry	Larry	PROPN	NNP	Number=Sing	7	nmod:poss	7:nmod:poss	Entity=(32-abstract-giv:inact-cf4-2,4,5-coref-Free%2Dculture_movement(33-person-giv:inact-cf5-1,2-coref-Lawrence_Lessig
4-5	Lessig's	_	_	_	_	_	_	_	_
4	Lessig	Lessig	PROPN	NNP	Number=Sing	3	flat	3:flat	_
5	's	's	PART	POS	_	3	case	3:case	Entity=33)
6	Free	Free	ADJ	NNP	Degree=Pos|Number=Sing	7	amod	7:amod	XML=<hi rend:::"italic">
7	Culture	Culture	PROPN	NNP	Number=Sing	2	obj	2:obj	Entity=32)|SpaceAfter=No|XML=</hi>
8	,	,	PUNCT	,	_	12	punct	12:punct	_
9	but	but	CCONJ	CC	_	12	cc	12:cc	Discourse=elaboration-additional:84->79:2
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nsubj	12:nsubj	Entity=(3-organization-giv:inact-cf3-1-ana-LibriVox)
11	also	also	ADV	RB	_	12	advmod	12:advmod	_
12	includes	include	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	2:conj:but	_
13	some	some	DET	DT	PronType=Ind	17	det	17:det	Entity=(109-abstract-new-cf6-5-sgl
14	out	out	ADV	RB	_	17	amod	17:amod	_
15	of	of	ADP	IN	_	16	case	16:case	_
16	print	print	NOUN	NN	Number=Sing	14	nmod	14:nmod:of	_
17	titles	title	NOUN	NNS	Number=Plur	12	obj	12:obj	_
18	by	by	ADP	IN	_	19	case	19:case	_
19	publishers	publisher	NOUN	NNS	Number=Plur	17	nmod	17:nmod:by|22:nsubj	Entity=(110-organization-new-cf8-1-sgl
20	who	who	PRON	WP	PronType=Rel	22	nsubj	19:ref	Discourse=elaboration-additional:85->84:0
21	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	22	cop	22:cop	_
22	open	open	ADJ	JJ	Degree=Pos	19	acl:relcl	19:acl:relcl	_
23	to	to	ADP	IN	_	25	case	25:case	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	25:det	Entity=(106-abstract-giv:act-cf1*-2-coref
25	concept	concept	NOUN	NN	Number=Sing	22	obl	22:obl:to	Entity=106)|SpaceAfter=No
26	,	,	PUNCT	,	_	29	punct	29:punct	_
27	such	such	ADJ	JJ	Degree=Pos	29	case	29:case	_
28	as	as	ADP	IN	_	27	fixed	27:fixed	_
29	O'Reilly	O'Reilly	PROPN	NNP	Number=Sing	19	nmod	19:nmod:such_as	Entity=(111-organization-new-cf7-1-coref-O'Reilly_Media)110)109)|SpaceAfter=No
30	.	.	PUNCT	.	_	2	punct	2:punct	_
