diff --git a/web/templates/entry_edit.html b/web/templates/entry_edit.html
index 32f6f9d..0423b23 100644
--- a/web/templates/entry_edit.html
+++ b/web/templates/entry_edit.html
@@ -182,12 +182,15 @@
   const el = document.getElementById("id_scripture_raw");
   if (!el) return;
 
+  // Exact WOL abbreviations
   const WOL = new Set([
     "Ge","Ex","Le","Nu","De","Jos","Jg","Ru","1Sa","2Sa","1Ki","2Ki","1Ch","2Ch","Ezr","Ne","Es","Job","Ps","Pr","Ec","Ca","Isa","Jer","La","Eze","Da","Ho","Joe","Am","Ob","Jon","Mic","Na","Hab","Zep","Hag","Zec","Mal",
     "Mt","Mr","Lu","Joh","Ac","Ro","1Co","2Co","Ga","Eph","Php","Col","1Th","2Th","1Ti","2Ti","Tit","Phm","Heb","Jas","1Pe","2Pe","1Jo","2Jo","3Jo","Jude","Re"
   ]);
 
+  // Full names → WOL code (case-insensitive)
   const FULL = new Map([
+    // OT
     ["genesis","Ge"],["exodus","Ex"],["leviticus","Le"],["numbers","Nu"],["deuteronomy","De"],
     ["joshua","Jos"],["judges","Jg"],["ruth","Ru"],
     ["1 samuel","1Sa"],["2 samuel","2Sa"],["1 kings","1Ki"],["2 kings","2Ki"],
@@ -197,6 +200,7 @@
     ["isaiah","Isa"],["jeremiah","Jer"],["lamentations","La"],["ezekiel","Eze"],["daniel","Da"],
     ["hosea","Ho"],["joel","Joe"],["amos","Am"],["obadiah","Ob"],["jonah","Jon"],["micah","Mic"],
     ["nahum","Na"],["habakkuk","Hab"],["zephaniah","Zep"],["haggai","Hag"],["zechariah","Zec"],["malachi","Mal"],
+    // NT
     ["matthew","Mt"],["mark","Mr"],["luke","Lu"],["john","Joh"],["acts","Ac"],["romans","Ro"],
     ["1 corinthians","1Co"],["2 corinthians","2Co"],["galatians","Ga"],["ephesians","Eph"],
     ["philippians","Php"],["colossians","Col"],
@@ -208,28 +212,58 @@
     ["jude","Jude"],["revelation","Re"]
   ]);
 
+  // Numbered-series acceptance (prose abbreviations like "2 Sam.", "1 Chron.", "2 Cor.", "1 Thes.", "2 Tim.", "1 Pet.", "1 Jn.")
+  const NUMBERED = [
+    { prefixes: ["sam","samu","samuel"],              codes: {1:"1Sa",2:"2Sa"} },
+    { prefixes: ["ki","king","kings","kgs"],          codes: {1:"1Ki",2:"2Ki"} },
+    { prefixes: ["chron","chr","ch","chronicles"],    codes: {1:"1Ch",2:"2Ch"} },
+    { prefixes: ["cor","corin","corinth","corinthians","co","c"], codes: {1:"1Co",2:"2Co"} },
+    { prefixes: ["thes","thess","thessalon","thessalonians","th"], codes: {1:"1Th",2:"2Th"} },
+    { prefixes: ["tim","ti","timothy","t"],           codes: {1:"1Ti",2:"2Ti"} },
+    { prefixes: ["pet","pe","peter","pt","p"],        codes: {1:"1Pe",2:"2Pe"} },
+    { prefixes: ["jo","jn","joh","john","jno","jhn"], codes: {1:"1Jo",2:"2Jo",3:"3Jo"} },
+  ];
+
+  // Split “book chapter[:verses…]”
   function splitBookAndRest(s) {
     const m = s.match(/^(.+?)\s+(\d{1,3}(?:\s*:\s*.*)?)$/);
     return m ? {book: m[1], rest: m[2]} : null;
   }
 
   function lookupBookCode(bookRaw) {
-    let b = bookRaw.trim();
+    // Trim and strip trailing period(s), collapse whitespace
+    let b = bookRaw.trim().replace(/\.+$/, "").replace(/\s+/g, " ");
 
-    // allow trailing period
-    if (b.endsWith(".")) b = b.slice(0, -1);
-
-    const fullKey = b.toLowerCase().replace(/\s+/g, " ");
+    // 1) Full-name match (case-insensitive)
+    const fullKey = b.toLowerCase();
     if (FULL.has(fullKey)) return FULL.get(fullKey);
 
-    const maybeAbbr = b.replace(/^([1-3])\s+([A-Za-z]+)/, (_, n, letters) => n + letters);
-    if (WOL.has(maybeAbbr)) return maybeAbbr;
+    // 2) Numbered-series prose abbreviations: e.g., "2 Sam", "1 Chron", "2 Cor", "1 Thes", "2 Tim", "1 Pet", "1 Jn"
+    const m = b.toLowerCase().match(/^([1-3])\s*([a-z]+)$/);
+    if (m) {
+      const num = parseInt(m[1], 10);
+      const base = m[2];
+      for (const series of NUMBERED) {
+        if (series.prefixes.some(p => base.startsWith(p))) {
+          const code = series.codes[num];
+          if (code) return code;
+        }
+      }
+    }
+
+    // 3) WOL abbreviation (allow optional space after number and allow trailing period)
+    const abbr = b.replace(/^([1-3])\s+([A-Za-z]+)/, (_, n, letters) => n + letters);
+    if (WOL.has(abbr)) return abbr;
+    // Also try without spaces just in case
+    const abbrTight = b.replace(/\s+/g, "");
+    if (WOL.has(abbrTight)) return abbrTight;
 
-    if (WOL.has(b)) return b;
     return null;
   }
 
-  const versesRe = /^(\d{1,3})$|^(\d{1,3}):\s*(\d{1,3}(?:\s*-\s*(?:\d{1,3}|\d{1,3}:\d{1,3}))?(?:\s*,\s*\d{1,3}(?:\s*-\s*(?:\d{1,3}|\d{1,3}:\d{1,3}))?)*)$/;
+  // Chapter only | chapter:verses | lists | ranges | cross-chapter range
+  const versesRe =
+    /^(\d{1,3})$|^(\d{1,3}):\s*(\d{1,3}(?:\s*-\s*(?:\d{1,3}|\d{1,3}:\d{1,3}))?(?:\s*,\s*\d{1,3}(?:\s*-\s*(?:\d{1,3}|\d{1,3}:\d{1,3}))?)*)$/;
 
   function isValidSingleRef(ref) {
     const s = ref.trim();