Some have not yet been paid.
As of March 5, 1999
| OVID maintenance | PO-26873 | $24800.00 |
| CitaDel [package] | PO-29521 | $46400.00 |
| Chemical abstracts. | PO-27150 | $18630.00 |
| American statistics index. | PO-15829 | $18265.00 |
| Social science index : full text and index | PO-27351 | $0.00 |
| Brain research. | PO-8284 | $15830.67 |
| Science citation index. | PO-28624 | $16185.00 |
| International journal of neuroscience. | PO-25314 | $0.00 |
| Combustion science and technology. | PO-25321 | $6748.95 |
| Envirofiche. | PO-15844 | $12260.00 |
| Journal of comparative neurology. | PO-9780 | $11886.03 |
| Journal of comparative neurology. | PO-14657 | $14039.00 |
| Biochimica et biophysica acta. International journal of biochemistry and biophysics. | PO-9768 | $11121.90 |
| Biochimica et biophysica acta. International journal of biochemistry and biophysics. | PO-27086 | $10569.00 |
| Tetrahedron. | PO-10572 | $0.00 |
| Science citation index. | PO-28622 | $0.00 |
| Journal of coordination chemistry. | PO-9810 | $0.00 |
| Biological abstracts. | PO-9770 | $0.00 |
| Surface science. | PO-14996 | $9326.34 |
| Biological abstracts. | PO-27654 | $10265.00 |
| Chemical Society [package] | PO-23257 | $9396.00 |
| Journal of molecular structure. | PO-13544 | $9370.00 |
| Journal of applied polymer science. | PO-15599 | $10702.01 |
| Chemical physics letters. | PO-8615 | $8270.37 |
| Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry. | PO-10575 | $0.00 |
| Chemical physics letters. | PO-13517 | $8368.00 |
| Business NewsBank [microform] / NewsBank, inc. | PO-27115 | $0.00 |
| Journal of electroanalytical chemistry. | PO-15643 | $7981.59 |
| IEEE abstracts package | PO-28930 | $18995.00 |
| Journal of organometallic chemistry. | PO-10230 | $0.00 |
| Journal of organometallic chemistry. | PO-15727 | $7649.23 |
| Journal of crystal growth. | PO-13982 | $7545.00 |
| Thin solid films. | PO-15828 | $7742.00 |
| Social sciences citation index. | PO-29048 | $0.00 |
| The Journal of chemical physics. | PO-10379 | $3567.35 |
| European journal of pharmacology. | PO-13823 | $6876.00 |
| Dow Jones news/retrieval | PO-28385 | $4551.10 |
| Chemical abstracts. Collective index. | PO-20897 | $6600.00 |
| Dow Jones news/retrieval | PO-27171 | $2975.00 |
| Arts & humanities citation index. | PO-28630 | $6975.00 |
| Gene. | PO-13875 | $6487.00 |
| Journal of alloys and compounds. | PO-13540 | $6476.00 |
| Analytica chimica acta. | PO-11570 | $6482.16 |
| Analytica chimica acta. | PO-13402 | $6342.00 |
| Journal of physics. Condensed matter. | PO-10347 | $0.00 |
| Mathematical reviews. | PO-12028 | $6162.66 |
| Index to the Code of Federal regulations. | PO-28210 | $0.00 |
| Inventiones mathematicae. | PO-9878 | $2910.94 |
| Inorganica chimica acta. | PO-9565 | $5683.49 |
| Journal of non-crystalline solids. | PO-15845 | $5514.00 |
| Inorganica chimica acta. | PO-13538 | $5840.00 |
| American journal of medical genetics. | PO-14648 | $6559.95 |
| Carbohydrate research. | PO-15311 | $0.00 |
| Journal of magnetism and magnetic materials. | PO-27094 | $5326.00 |
| Journal of materials science. | PO-8818 | $6120.40 |
| Neuroscience. | PO-10025 | $5205.41 |
| The Journal of neuroscience | PO-15651 | $0.00 |
| International journal of pharmaceutics. | PO-14890 | $0.00 |
| Chemical physics. | PO-8619 | $5059.70 |
| Chemical physics. | PO-13513 | $5125.00 |
| Wear. An international journal on the science and technology of friction, lubrication and wear. | PO-16000 | $0.00 |
| Communications in mathematical physics. | PO-14450 | $5133.33 |
| European physics review C : particles and fields | PO-26603 | $0.00 |
| Biological abstracts/RRM. | PO-27652 | $5320.00 |
| Neuroscience letters. | PO-10030 | $4737.50 |
| Mathematische Annalen. | PO-10286 | $0.00 |
| Neuroscience letters. | PO-15797 | $4662.00 |
| Volcanology and seismology. | PO-9172 | $0.00 |
| Moody's special library service | PO-28762 | $0.00 |
| Journal of physics. A, Mathematical and general. | PO-10338 | $0.00 |
| Journal of membrane science. | PO-16034 | $0.00 |
| Physical review B: Condensed matter. | PO-19881 | $0.00 |
| International journal of quantum chemistry. | PO-15587 | $5378.78 |
| Theoretical computer science. | PO-13802 | $4344.52 |