Within the Biblical Studies division of Library of Congress classifications, each Bible book is assigned a unique stem number.
Genesis BS 1235
Exodus BS 1245
Leviticus BS 1255
The suffix numbers .3 and .53 following the stem number of Biblical books indicate a commentary classification.
Genesis commentaries: BS 1235.53
Please note:
.3 is the older commentary classification suffix
.53 is for newer commentaries since 2004
Library of Congress classifications group titles together by subject.
General Bible commentary sets are in BS 192. Old Testament commentaries are in BS 482-498. New Testament commentaries are in BS 2330-2350.
Below is the the classfication range for individual Biblical book commentaries:
| OLD TESTAMENT | NEW TESTAMENT | ||
| Book | Call # Range | Book | Call # Range |
| Genesis | BS 1231 -1235.5 | Gospel of Matthew | BS 2570-2575.53 |
| Exodus | BS 1241-1245.5 | Gospel of Mark | BS 2580-25i5.53 |
| Leviticus | BS 1254-1255.5 | Gospel of Luke | BS 2590-2595.53 |
| Numbers | BS 1261-1265.5 | Gospel of John | BS 2610-2615.53 |
| Deuteronomy | BS 1271-1275.5 | Acts of the Apostles | BS 2620-2625.53 |
| Joshua | BS 1291-1295.5 | Romans | BS 2660-2665.53 |
| Judges | BS 1301-1305.5 | 1 & 2 Corinthians | BS 2670-2675.53 |
| Ruth | BS 1311-1315.5 | Galatians | BS 2680-2685.53 |
| 1 & 2 Samuel | BS 1321-1325.5 | Ephesians | BS 2690-2695.53 |
| 1 & 2 Kings | BS 1331-1335.5 | Philippians | BS 2700-2795.53 |
| 1 & 2 Chronicles | BS 1341-1345.5 | Colossians | BS 2710-2705.53 |
| Ezra | BS 1351-1355.5 | 1 & 2 Thessalonians | BS 2720-2725.53 |
| Nehemiah | BS 1361 -1365.5 | 1 & 2 Timothy | BS 2740-2745.5 |
| Esther | BS 1371-1375.5 | Titus | BS 2750-2755.5 |
| Job | BS 1411-1415.5 | Philemon | BS 2760-2765.53 |
| Psalms | BS 1418-1451 | Hebrews | BS 2770-2775.53 |
| Proverbs | BS 1461-1465.5 | James | BS 2780-2785.53 |
| Ecclesiastes | BS 1471-1475.5 | 1 & 2 Peter, Jude | BS 2790-2795.53 |
| Song of Solomon | BS 1481-1485.5 | 1, 2 & 3 John | BS 2800-2805.53 |
| Isaiah | BS 1511-1515.5 | Jude | BS 2810-2815.5 |
| Jeremiah | BS 1521-1524.5 | Revelation | BS 2820-2825.5 |
| Lamentations | BS 1531-1535.5 | ||
| Ezekiel | BS 1541-1545.5 | ||
| Daniel | BS 1551-1555.5 | APOCRYPHA | |
| Hosea | BS 1561-1565.5 | 1 & 2 Esdras | BS 1711-1715.5 |
| Joel | BS 1571-1575.5 | Tobit | BS 1721-1725.5 |
| Amos | BS 1581-1585.5 | Judith | BS 1731-1735.5 |
| Obadiah | BS 1591-1595.5 | Esther additions | BS 1741-1745.5 |
| Jonah | BS 1601-1605.5 | Wisdom of Solomon | BS 1751-1755.5 |
| Micah | BS 1611-1615.5 | Ecclesiasticus | BS 1761-1765.5 |
| Nahum | BS 1621-1625.5 | Baruch | BS 1771-1775.5 |
| Habakkuk | BS 1631-1635.5 | Prayer of Azariah | BS 1781-1785.5 |
| Zephaniah | BS 1641-1645.5 | Susanna | BS 1791-1795.5 |
| Haggai | BS 1451-1555.5 | Bel & the Dragon | BS 1801-1805.5 |
| Zechariah | BS 1661-1665.5 | Prayer of Manasseh | BS 1811-1815.5 |
| Malachi | BS 1671-1675.5 | 1,2,3 & 4 Maccabees | BS 1821-1825.5 |