when did book burning start

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did book burning start	0.3	0.7	5746	92	27
when	1.4	0.7	3828	19	4
did	1.16	0.1	3038	37	3
book	0.54	0.2	1019	40	4
burning	1.46	0.1	5962	21	7
start	1.93	0.3	6368	7	5

Keyword	CPC	PCC	Volume	Score
when did book burning start	0.63	0.3	1219	25
how did book burning start	1.71	0.7	5350	44
when was the burning of the books	0.61	1	5042	79
timeline of book burning	0.55	0.6	1649	15
history of burning books	0.95	0.9	3732	49
book burning in history	0.21	0.2	7399	22
when were books burned	1.19	0.7	7713	44
history of book burning in america	1.42	0.1	7351	16
when was the first book-burning event held	0.2	0.2	3962	72
when in history were books burned	1.69	0.6	6941	40
a history of burning novel	1.04	0.6	4213	73
what historical events surround book burning	1.25	0.9	5890	1
times in history when books were burned	1.39	0.9	7553	3