Dimensions and use of the scholarly information environment.
Question 6R: Table 61. 
Digital Library Federation.
Copyright, 2002, Council on Library and Information Resources.

Table 61
R6SUM. %YES: Which of the following information types do you use for your research?
Base Faculty Member Graduate Student Faculty / Graduate Student Under Graduate Student Public Private Liberal Arts Biological Sciences Physical Sciences Social Sciences Arts and Humanities Engineering Business Law Undecided Major Male Female
A B C D E F G H I J K L M N O P Q
Base - Responsibility is Research 1563 811 752 1563 0** 699 593 271 269 320 491 239 79 148 18 0* 1023 540
Print or hardcopy journals 1520 790 729 1520 0 681 572 266 262 312 487 227 75 139 17 0 992 527
97.2 97.5 97 97.2 0 97.4 96.6 98.4 97.4 97.5 99.2 95.3 95.2 94.3 95.1 0 97 97.7
KLMN
Print or hardcopy books 1510 786 723 1510 0 675 571 263 256 308 483 237 76 132 17 0 985 525
96.6 97 96.2 96.6 0 96.6 96.4 97.2 95.1 96.3 98.5 99.5 96.7 89.3 96.1 0 96.3 97.2
M M HM HILMN M
Online abstracts and indexes 1378 695 683 1378 0 612 529 237 249 288 434 187 71 135 14 0 903 475
88.2 85.7 90.9 88.2 0 87.5 89.2 87.6 92.5 90 88.5 78.4 89.7 91.2 80.6 0 88.3 87.9
A KN KN KN KN KN
Papers delivered at professional
  meetings 1320 737 584 1320 0 575 504 242 235 273 412 194 70 127 9 0 870 451
84.5 90.8 77.6 84.5 0 82.2 85.1 89.3 87.3 85.3 83.9 81.2 89 86.2 53.4 0 85 83.5
B E N N N N KN N
Data 1284 649 635 1284 0 589 486 208 235 262 431 141 67 135 13 0 829 455
82.1 80 84.4 82.1 0 84.2 82.1 77 87.3 81.9 87.7 59.2 85.3 91.2 73.8 0 81 84.3
A G KN K IKN KN IKN K
Online databases, data sets or
  data sources 1279 645 633 1279 0 563 504 212 230 251 402 192 62 126 16 0 832 447
81.8 79.6 84.3 81.8 0 80.5 85 78.2 85.3 78.4 82 80.3 78.7 85.5 90.3 0 81.3 82.8
A G IL IKL
Manuscripts and other primary 
source documents 1267 672 595 1267 0 567 493 208 230 245 419 203 57 100 13 0 819 447
81.1 82.8 79.2 81.1 0 81 83.1 76.7 85.3 76.6 85.4 85 72.4 67.9 72.8 0 80.1 82.9
G ILMN M ILMN ILMN
Print abstracts and indexes 1223 613 610 1223 0 545 475 203 223 250 399 165 61 114 12 0 788 435
78.3 75.6 81.2 78.3 0 78 80.2 74.9 82.7 78.1 81.2 69 77.6 77.4 68 0 77.1 80.6
A KN KN KN K
e-journals 1171 567 603 1171 0 548 436 187 224 259 357 150 59 111 11 0 737 434
74.9 70 80.2 74.9 0 78.4 73.6 69 83.3 80.9 72.8 62.9 74.3 74.8 62.1 0 72 80.4
A G JKLMN JKLN KN KN KN P
Dissertations 1102 540 563 1102 0 512 432 159 175 238 350 183 66 86 5 0 707 395
70.5 66.6 74.8 70.5 0 73.2 72.8 58.7 65 74.4 71.3 76.5 84.2 57.9 29.1 0 69.1 73.2
A G G N HMN MN HMN HIJKMN N
Technical reports 903 478 425 903 0 403 351 149 191 227 259 64 71 86 5 0 612 291
57.8 58.9 56.6 57.8 0 57.6 59.2 55.1 70.9 70.9 52.9 26.8 89.7 57.9 31.1 0 59.8 54
JKMN JKMN KN HIJKMN KN Q
Proprietary software or application 860 458 402 860 0 380 327 153 167 211 244 93 51 85 8 0 589 270
55 56.4 53.5 55 0 54.4 55.2 56.3 62.1 65.9 49.8 39 65.1 57.2 47.6 0 57.6 50.1
JKN JKN K JKN K Q
News 838 475 363 838 0 355 317 166 106 114 299 156 34 116 13 0 551 287
53.6 58.6 48.3 53.6 0 50.7 53.5 61.3 39.2 35.6 60.9 65.3 43.4 78.6 75.7 0 53.9 53.1
B EF HIL HIL HIJKL HIJL
Magazines 768 413 355 768 0 326 289 153 90 143 233 155 42 98 8 0 526 242
49.2 51 47.2 49.2 0 46.6 48.7 56.6 33.3 44.7 47.5 64.8 52.9 66 47.6 0 51.4 44.8
EF H H HIJLN HI HIJLN H Q
Photographs, prints and other
  visual resources 761 380 381 761 0 337 299 125 177 142 192 167 42 38 3 0 500 261
48.7 46.8 50.7 48.7 0 48.2 50.5 46.1 65.7 44.4 39.1 70 53.7 25.8 16.5 0 48.9 48.3
IJLMN MN MN IJLMN IJMN
Pre-prints 614 357 257 614 0 262 235 116 128 215 124 50 42 48 5 0 445 168
39.3 44 34.1 39.3 0 37.5 39.7 42.9 47.7 67.2 25.3 21.1 53.7 32.7 28.2 0 43.5 31.2
B JKMN HJKLMN JKMN K Q
e-books 288 122 166 288 0 140 117 31 48 45 102 44 20 25 4 0 182 105
18.4 15 22.1 18.4 0 20 19.7 11.5 18 14.1 20.7 18.3 25.7 17 20.4 0 17.8 19.5
A G G I HIKM