id	sid	eid	entity	type
ch-574	1	1	1919	DATE
ch-574	3	1	cambridge	GPE
ch-574	3	2	ma	GPE
ch-574	3	3	houghton mifflin	PERSON
ch-574	4	1	thomas, f. w. & lang	PERSON
ch-574	4	2	a. r.	PERSON
ch-574	4	3	1937	DATE
ch-574	6	1	cambridge	GPE
ch-574	6	2	ma	GPE
ch-574	6	3	houghton mifflin	PERSON
ch-574	7	1	u. s. department of education	ORG
ch-574	8	1	1991	DATE
ch-574	9	1	america 2000	EVENT
ch-574	10	1	washington	GPE
ch-574	11	1	d.c	GPE
ch-574	12	1	u. s. department of education	ORG
ch-574	13	1	williams	PERSON
ch-574	13	2	j. h. (	PERSON
ch-574	15	1	cambridge	GPE
ch-574	15	2	ma	GPE
ch-574	15	3	houghton mifflin	PERSON
ch-574	16	1	williamson	PERSON
ch-574	16	2	0.1	CARDINAL
ch-574	17	1	1936	DATE
ch-574	18	1	teachers~	ORG
ch-574	18	2	new york	GPE
ch-574	18	3	ny	GPE
ch-574	18	4	columbia university	ORG
ch-574	19	1	wilson	ORG
ch-574	19	2	h. b .• kyte	PERSON
ch-574	20	1	g. c.	PERSON
ch-574	20	2	1924	DATE
ch-574	21	1	new york	GPE
ch-574	21	2	ny	GPE
ch-574	21	3	silver burdett	PERSON