diff --git a/VAR.PdfTools/PdfDocument.cs b/VAR.PdfTools/PdfDocument.cs
index d6f55e2..3f6c141 100644
--- a/VAR.PdfTools/PdfDocument.cs
+++ b/VAR.PdfTools/PdfDocument.cs
@@ -158,17 +158,12 @@ namespace VAR.PdfTools
             return elem;
         }
 
-        private static void ExtractPages(PdfDictionary page, PdfDocument doc)
+        private static void ExtractPages(PdfDictionary page, PdfDocument doc, PdfDictionary resources)
         {
             string type = page.GetParamAsString("Type");
             if (type == "Page")
             {
-                PdfDocumentPage prevDocPage = null;
-                if (doc._pages.Count > 0)
-                {
-                    prevDocPage = doc._pages.Last();
-                }
-                PdfDocumentPage docPage = new PdfDocumentPage(page, prevDocPage);
+                PdfDocumentPage docPage = new PdfDocumentPage(page, resources);
                 doc._pages.Add(docPage);
                 return;
             }
@@ -183,7 +178,12 @@ namespace VAR.PdfTools
                 {
                     PdfDictionary childPage = elem as PdfDictionary;
                     if (page == null) { continue; }
-                    ExtractPages(childPage, doc);
+                    PdfDictionary resourcesAux = null;
+                    if (page.Values.ContainsKey("Resources"))
+                    {
+                        resourcesAux = page.Values["Resources"] as PdfDictionary;
+                    }
+                    ExtractPages(childPage, doc, resourcesAux);
                 }
             }
             else
@@ -290,7 +290,12 @@ namespace VAR.PdfTools
                 throw new Exception("PdfDocument: Pages not found");
             }
             PdfDictionary pages = (PdfDictionary)doc.Catalog.Values["Pages"];
-            ExtractPages(pages, doc);
+            PdfDictionary resources = null;
+            if (doc.Catalog.Values.ContainsKey("Resources"))
+            {
+                resources = doc.Catalog.Values["Resources"] as PdfDictionary;
+            }
+            ExtractPages(pages, doc, resources);
 
             return doc;
         }
diff --git a/VAR.PdfTools/PdfDocumentPage.cs b/VAR.PdfTools/PdfDocumentPage.cs
index 1c7faf4..bc80c1a 100644
--- a/VAR.PdfTools/PdfDocumentPage.cs
+++ b/VAR.PdfTools/PdfDocumentPage.cs
@@ -33,7 +33,7 @@ namespace VAR.PdfTools
 
         #region Life cycle
 
-        public PdfDocumentPage(PdfDictionary baseData, PdfDocumentPage prevDocPage)
+        public PdfDocumentPage(PdfDictionary baseData, PdfDictionary resources)
         {
             _baseData = baseData;
             string type = baseData.GetParamAsString("Type");
@@ -46,13 +46,13 @@ namespace VAR.PdfTools
             _content = _baseData.GetParamAsStream("Contents");
             if (_baseData.Values.ContainsKey("Resources") == false)
             {
-                _resources = prevDocPage._resources;
+                _resources = resources;
             }
             else
             {
                 _resources = _baseData.Values["Resources"] as PdfDictionary;
             }
-            if (_resources.Values.ContainsKey("Font"))
+            if (_resources != null && _resources.Values.ContainsKey("Font"))
             {
                 PdfDictionary fonts = _resources.Values["Font"] as PdfDictionary;
                 foreach (KeyValuePair<string, IPdfElement> pair in fonts.Values)
diff --git a/VAR.PdfTools/PdfFont.cs b/VAR.PdfTools/PdfFont.cs
index 037da5b..108743d 100644
--- a/VAR.PdfTools/PdfFont.cs
+++ b/VAR.PdfTools/PdfFont.cs
@@ -1,8 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace VAR.PdfTools
 {
diff --git a/VAR.PdfTools/PdfTextExtractor.cs b/VAR.PdfTools/PdfTextExtractor.cs
index 8260048..90e0391 100644
--- a/VAR.PdfTools/PdfTextExtractor.cs
+++ b/VAR.PdfTools/PdfTextExtractor.cs
@@ -1,8 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
+using System.Collections.Generic;
 using System.Text;
-using System.Threading.Tasks;
 
 namespace VAR.PdfTools
 {