diff --git a/src/reducers/reducer.latl.js b/src/reducers/reducer.latl.js
index b0b6728..cf74b31 100644
--- a/src/reducers/reducer.latl.js
+++ b/src/reducers/reducer.latl.js
@@ -15,7 +15,7 @@ const getOneToken = (latl, tokens) => {
     const newRegEx = new RegExp(`^(${regEx})`);
     const match = latl.match(newRegEx) || null;
     if (match) {
-      const newTokens = [...tokens, match[0]]
+      const newTokens = [...tokens, {type, value: match[0]}]
       const newLatl = latl.slice(match[0].length ,).trim();
       return [newLatl, newTokens]
     }
@@ -39,11 +39,9 @@ export const tokenize = latl => {
 }
 
 export const generateAST = latl => {
-  
   // tokenize
   const tokens = tokenize(latl);
 
-
   // build tree
 
 }
diff --git a/src/reducers/reducer.latl.test.js b/src/reducers/reducer.latl.test.js
index e39129a..36769d9 100644
--- a/src/reducers/reducer.latl.test.js
+++ b/src/reducers/reducer.latl.test.js
@@ -21,12 +21,20 @@ describe('LATL', () => {
   it('returns tokens from well-formed latl feature definition', () => {
     const tokens = tokenize(featureDefinitionLatl);
     expect(tokens).toStrictEqual(tokenizedFeature);
-  })
+  });
 
   it('returns tokens from well-formed latl lexicon definition', () => {
     const tokens = tokenize(lexiconDefinitionLatl);
     expect(tokens).toStrictEqual(tokenizedLexicon);
-  })
+  });
+  
+  it('returns tokens from well-formed latl epoch, feature, and lexicon definitions', () => {
+    const latl = epochDefinitionLatl + '\n' + featureDefinitionLatl + '\n' + lexiconDefinitionLatl;
+    const tokens = tokenize(latl);
+    const tokenizedLatl = [...tokenizedEpoch, ...tokenizedFeature, ...tokenizedLexicon];
+    expect(tokens).toStrictEqual(tokenizedLatl);
+  });
+
 })
 const epochDefinitionLatl = `
 *PROTO
@@ -36,10 +44,16 @@ n>m/#_.
 `
 
 const tokenizedEpoch = [ 
-  '*', 'PROTO', 
-  '[', '+', 'FEATURE', ']', '>', '[', '-', 'FEATURE', ']', '/', '.', '_', '.',
-  'n', '>', 'm', '/', '#', '_', '.',
-  '|', 'CHILD'
+  { type: "star", value: "*" }, { type: "variable", value: "PROTO" },
+    { type: "openBracket", value: "[" }, { type: "plus", value: "+" }, { type: "variable", value: "FEATURE" }, { type: "closeBracket", value: "]" }, 
+      { type: "greaterThan", value: ">" }, { type: "openBracket", value: "[" }, { type: "minus", value: "-" }, { type: "variable", value: "FEATURE" }, { type: "closeBracket", value: "]" }, 
+      { type: "slash", value: "/" }, { type: "dot", value: "." }, 
+      { type: "loDash", value: "_" }, { type: "dot", value: "." },
+    { type: "variable", value: "n" },
+      { type: "greaterThan", value: ">" }, { type: "variable", value: "m" },
+      { type: "slash", value: "/" }, { type: "hash", value: "#" },
+      { type: "loDash", value: "_" }, { type: "dot", value: "." },
+  { type: "pipe", value: "|" }, { type: "variable", value: "CHILD" }
 ]
 
 const featureDefinitionLatl = `
@@ -52,12 +66,15 @@ const featureDefinitionLatl = `
 `
 
 const tokenizedFeature = [
-  '[', '+', 'PLOSIVE', ']', '=', 'kp', '/', 'p', '/', 'b', '/', 'd', '/', 't', '/', 'g', '/', 'k',
-  '[', '-', 'PLOSIVE', ']', '=', 'm', '/', 'n', '/', 's', '/', 'z',
-  '[', 'SONORANT',
-    '+=', 'm', '/', 'n',
-    '-=', 's', '/', 'z', '/', 'kp', '/', 'p', '/', 'b', '/', 'd', '/', 't', '/', 'g', '/', 'k',
-  ']'
+  { type: "openBracket", value: "[" }, { type: "plus", value: "+" }, { type: "variable", value: "PLOSIVE" }, { type: "closeBracket", value: "]" },
+    { type: "equal", value: "=" }, { type: "variable", value: "kp" }, { type: "slash", value: "/" }, { type: "variable", value: "p" }, { type: "slash", value: "/" }, { type: "variable", value: "b" }, { type: "slash", value: "/" }, { type: "variable", value: "d" }, { type: "slash", value: "/" }, { type: "variable", value: "t" }, { type: "slash", value: "/" }, { type: "variable", value: "g" }, { type: "slash", value: "/" }, { type: "variable", value: "k" },
+  { type: "openBracket", value: "[" }, { type: "minus", value: "-" }, { type: "variable", value: "PLOSIVE" }, { type: "closeBracket", value: "]" },
+    { type: "equal", value: "=" }, { type: "variable", value: "m" }, { type: "slash", value: "/" }, { type: "variable", value: "n" }, { type: "slash", value: "/" }, { type: "variable", value: "s" }, { type: "slash", value: "/" }, { type: "variable", value: "z" },
+  { type: "openBracket", value: "[" }, { type: "variable", value: "SONORANT" },
+    { type: "positiveAssignment", value: "+=" },
+      { type: "variable", value: "m" }, { type: "slash", value: "/" }, { type: "variable", value: "n" },
+    { type: "negativeAssignment", value: "-=" }, { type: "variable", value: "s" }, { type: "slash", value: "/" }, { type: "variable", value: "z" }, { type: "slash", value: "/" }, { type: "variable", value: "kp" }, { type: "slash", value: "/" }, { type: "variable", value: "p" }, { type: "slash", value: "/" }, { type: "variable", value: "b" }, { type: "slash", value: "/" }, { type: "variable", value: "d" }, { type: "slash", value: "/" }, { type: "variable", value: "t" }, { type: "slash", value: "/" }, { type: "variable", value: "g" }, { type: "slash", value: "/" }, { type: "variable", value: "k" },
+    { type: "closeBracket", value: "]" },
 ]
 
 const lexiconDefinitionLatl = `
@@ -68,8 +85,8 @@ const lexiconDefinitionLatl = `
 `
 
 const tokenizedLexicon = [
-  '/', 'PROTO',
-    'kpn',
-    'sm',
-  '/'
+  { type: "slash", value: "/" }, { type: "variable", value: "PROTO" },
+    { type: "variable", value: "kpn" },
+    { type: "variable", value: "sm" },
+  { type: "slash", value: "/" }
 ]
\ No newline at end of file