when in history were books burned

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when in history were books burned	0.79	0.3	8472	56	33
when	0.78	0.9	5703	42	4
in	1.88	0.9	6897	36	2
history	1.12	0.1	8007	93	7
were	1.77	0.1	5138	98	4
books	0.06	0.7	5927	19	5
burned	1.25	0.2	9637	69	6

Keyword	CPC	PCC	Volume	Score
when in history were books burned	0.11	0.4	7046	91
times in history when books were burned	1.28	0.9	35	71
who burned books in history	1.5	1	4180	63
burning of books in history	0.86	0.7	7900	7
when was the burning of the books	1.01	0.8	9524	48
book where books were burned	0.44	0.9	3997	40
book burning in history	0.04	0.8	8101	27
before the books were burned	1.86	1	5477	70
when did book burning occur	0.88	1	7213	77
when did book burning begin	1.48	0.5	7380	48
when did book burning happen	1.13	0.7	3316	55
when was the first book burning	0.49	0.2	2307	69
history of book burning in america	0.22	1	602	66
famous book burnings in history	1.12	0.9	2218	71
timeline of book burning	1.71	0.1	6356	98
how did book burning start	0.92	0.6	3714	28