diff --git a/src/logic/thread_bookgrabber.py b/src/logic/thread_bookgrabber.py
index 2853b05..695c272 100644
--- a/src/logic/thread_bookgrabber.py
+++ b/src/logic/thread_bookgrabber.py
@@ -23,14 +23,18 @@ class BookGrabber(QThread):
         self.prof_id = None
         self.mode = None
         self.book_id = None
+        self.use_any = False
+        self.use_exact = False
         self.appnr = appnr
         self.tstate = (self.app_id, self.prof_id, self.mode, self.data)
 
-    def add_values(self, app_id, prof_id, mode, data):
+    def add_values(self, app_id, prof_id, mode, data, any_book=False, exact=False):
         self.app_id = app_id
         self.prof_id = prof_id
         self.mode = mode
         self.data = data
+        self.use_any = any_book
+        self.use_exact = exact
         self.logger.log_info(f"Working on {len(self.data)} entries")
         self.tstate = (self.app_id, self.prof_id, self.mode, self.data)
         self.logger.log_debug("State: " + str(self.tstate))
@@ -48,13 +52,18 @@ class BookGrabber(QThread):
             signature = str(entry)
             self.logger.log_info("Processing entry: " + signature)
 
-            webdata = WebRequest().set_apparat(self.appnr).get_ppn(entry).use_any_book().get_data()
-            
-            
+            webdata = WebRequest().set_apparat(self.appnr).get_ppn(entry)
+            if self.use_any:
+                webdata = webdata.use_any_book
+            webdata = webdata.get_data()
+
             if webdata == "error":
                 continue
-            
-            bd = BibTextTransformer(self.mode).get_data(webdata).return_data()
+
+            bd = BibTextTransformer(self.mode)
+            if self.use_exact:
+                bd = bd.use_signature(entry)
+            bd = bd.get_data(webdata).return_data()
             if bd is None:
                 # bd = BookData
                 continue