History -- Americas

Volume, Title, and Unique Books data collected on June 27, 2001.
Circulation statistics for the ALC fiscal year ending May 31, 2001.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in History -- Americas. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699			1			1
1700-1799
1800-1899	251	37	137	123	152	700
1900-1909	257	93	206	149	110	815
1910-1919	224	46	185	94	96	645
1920-1929	393	42	343	269	169	1,216
1930-1939	380	91	434	334	215	1,454
1940-1949	654	153	659	568	365	2,399
1950-1959	1,377	352	1,062	1,144	416	4,351
1960-1969	1,859	1,102	1,971	2,707	937	8,576
1970-1974	549	679	941	1,467	499	4,135
1975-1979	523	971	520	708	341	3,063
1980-1984	367	1,060	356	713	306	2,802
1985-1989	307	1,095	363	853	318	2,936
1990-1994	281	1,249	269	630	313	2,742
1995	32	269	32	111	69	513
1996	44	216	49	117	75	501
1997	37	155	35	116	98	441
1998	52	187	50	114	105	508
1999	44	197	37	75	53	406
2000	28	149	60	75	42	354
2001		36	1	2	2	41
2002
Totals	7,659	8,180	7,711	10,370	4,682	38,602
Average Age	1957	1979	1960	1968	1965	1966
Percent of Collection	3.63%	4.59%	5.68%	7.87%	6.98%	5.33%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in History -- Americas. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699			1			1
1700-1799
1800-1899	140	31	93	98	103	436
1900-1909	125	47	99	114	78	361
1910-1919	136	30	151	77	72	404
1920-1929	239	32	235	171	129	623
1930-1939	285	74	350	250	182	890
1940-1949	495	104	581	458	315	1,358
1950-1959	1,008	289	853	902	340	2,221
1960-1969	1,446	833	1,638	2,350	872	5,031
1970-1974	502	508	779	1,320	437	2,715
1975-1979	472	798	454	642	315	2,097
1980-1984	334	753	323	669	295	1,841
1985-1989	274	864	344	816	310	2,064
1990-1994	248	1,033	243	610	297	2,020
1995	29	209	32	107	59	373
1996	34	187	48	114	59	382
1997	32	135	33	112	91	349
1998	52	153	50	112	100	385
1999	44	154	37	75	50	300
2000	28	115	17	74	37	232
2001		25	1	2	2	29
2002
Totals	5,923	6,375	6,362	9,074	4,144	24,113
Average Age	1960	1980	1961	1969	1967	1968
Percent of Collection	3.27%	4.71%	5.34%	7.62%	6.86%	4.71%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in History -- Americas. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU
1600-1699			1
1700-1799
1800-1899	88	28	66	72	72
1900-1909	57	34	45	58	35
1910-1919	71	23	96	46	44
1920-1929	116	18	129	74	53
1930-1939	158	53	183	113	88
1940-1949	207	53	242	147	116
1950-1959	373	134	286	269	72
1960-1969	591	410	521	916	311
1970-1974	223	280	328	714	182
1975-1979	219	509	234	310	136
1980-1984	157	501	124	339	121
1985-1989	134	598	149	423	117
1990-1994	112	735	136	344	127
1995	13	147	19	59	30
1996	17	133	29	63	31
1997	16	103	16	68	51
1998	32	103	32	54	60
1999	26	99	17	29	27
2000	19	74	8	37	19
2001		14		1	2
2002
Totals	2,629	4,049	2,661	4,136	1,694
Average Age	1959	1980	1960	1970	1965

Total Circulation

A count of charges and renewals for History -- Americas. This count only includes circulation of bound monographs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	904	81	72	86	8	1	1,152
APL Items	140	1,934	58	145	15	0	2,292
HSU Items	66	40	478	46	3	2	635
McM Items	93	59	65	1,072	1	7	1,297
HPU Items	19	6	11	15	0	150	201
Totals	1,222	2,120	684	1,364	27	160	5,577

Circulation by Item Age

A count of charges and renewals for History -- Americas, broken down by item age and item owner. This count only includes circulation of bound monographs, and only items which have a valid date in their DATE_1 field.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	19		9	6	2	36
1900-1909	26		4	18	1	49
1910-1919	22		8	13		43
1920-1929	25		12	8	3	48
1930-1939	18		23	22	6	69
1940-1949	68	13	27	41	9	158
1950-1959	156	84	68	102	13	423
1960-1969	269	162	134	236	35	836
1970-1974	111	125	81	132	21	470
1975-1979	96	142	48	79	15	380
1980-1984	113	145	63	111	18	450
1985-1989	96	228	50	125	20	519
1990-1994	75	369	55	161	18	678
1995	7	97	3	36	3	146
1996	5	109	12	29	5	160
1997	5	109	5	48	7	174
1998	21	124	17	47	14	223
1999	14	138	5	37	7	201
2000	5	431	11	45	4	496
2001		16		1		17
2002
Totals	1,151	2,292	635	1,297	201	5,576
Percent of Circulation	2.41%	0.65%	2.61%	10.27%	2.81%	1.25%

Non-Circulating Use

A count of Non-Circulating usage for History -- Americas (as recorded by the circulation "NC" command). This count only includes bound monographs.

ACU	APL	HSU	McM	HPU
524	230	381	218	27

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