diff --git a/src/bib_manager.rs b/src/bib_manager.rs
new file mode 100644
index 0000000..bb0a8c7
--- /dev/null
+++ b/src/bib_manager.rs
@@ -0,0 +1,31 @@
+use std::sync::{Arc, Mutex};
+use crate::references::anchor::BibListAnchor;
+use crate::bibliography::bibliography_dict::BibliographyDictionary;
+
+/// The root manager for that should be used for further reference operations that
+/// go beyond insertion.
+#[derive(Clone, Debug)]
+pub struct BibManager {
+    root_ref_anchor: Arc<Mutex<BibListAnchor>>,
+    entry_dictionary: Arc<Mutex<BibliographyDictionary>>,
+}
+
+impl BibManager {
+    /// Creates a new BibRefManager with an empty root anchor
+    pub fn new() -> Self {
+        Self {
+            root_ref_anchor: Arc::new(Mutex::new(BibListAnchor::new())),
+            entry_dictionary: Arc::new(Mutex::new(BibliographyDictionary::new())),
+        }
+    }
+
+    /// Returns the BibRefManagers root anchor that.
+    pub fn root_ref_anchor(&self) -> Arc<Mutex<BibListAnchor>> {
+        Arc::clone(&self.root_ref_anchor)
+    }
+
+    /// Returns the reference to the entry dictionary
+    pub fn entry_dictionary(&self) -> Arc<Mutex<BibliographyDictionary>> {
+        Arc::clone(&self.entry_dictionary)
+    }
+}
\ No newline at end of file
diff --git a/src/bibliography/bib_types/mod.rs b/src/bibliography/bib_types/mod.rs
new file mode 100644
index 0000000..3c99498
--- /dev/null
+++ b/src/bibliography/bib_types/mod.rs
@@ -0,0 +1,16 @@
+/// A type of bibliography entry
+#[derive(Clone, Debug)]
+pub enum BibliographyType {
+    Article,
+    Book,
+    Booklet,
+    InBook,
+    InCollection,
+    Manual,
+    Thesis,
+    TechReport,
+    Unpublished,
+    Misc,
+    Url,
+    Repository,
+}
\ No newline at end of file
diff --git a/src/bibliography/bibliography_dict.rs b/src/bibliography/bibliography_dict.rs
new file mode 100644
index 0000000..dca3361
--- /dev/null
+++ b/src/bibliography/bibliography_dict.rs
@@ -0,0 +1,35 @@
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
+use crate::bibliography::bibliography_entry::{BibliographyEntryReference, BibliographyEntry};
+
+/// A dictionary that contains all bibliography entries
+#[derive(Clone, Debug)]
+pub struct BibliographyDictionary {
+    entries: HashMap<String, BibliographyEntryReference>,
+}
+
+
+impl BibliographyDictionary {
+    /// Creates a new empty BibliographyDictionary
+    pub fn new() -> Self {
+        Self {
+            entries: HashMap::new(),
+        }
+    }
+
+    /// Inserts a bibliography entry into the map
+    pub fn insert(&mut self, entry: BibliographyEntry) {
+        self.entries.insert(entry.key(), Arc::new(Mutex::new(entry)));
+    }
+
+    /// Returns the reference to the bibliography entry with the given key
+    pub fn get(&mut self, key: &str) -> Option<BibliographyEntryReference> {
+        if let Some(entry) = self.entries.get(&key.to_string()) {
+            Some(Arc::clone(entry))
+        } else {
+            None
+        }
+    }
+}
+
+
diff --git a/src/bibliography/bibliography_entry.rs b/src/bibliography/bibliography_entry.rs
new file mode 100644
index 0000000..36295a1
--- /dev/null
+++ b/src/bibliography/bibliography_entry.rs
@@ -0,0 +1,30 @@
+use std::sync::{Arc, Mutex};
+use crate::bibliography::bib_types::BibliographyType;
+
+/// A single bibliography entry
+#[derive(Clone, Debug)]
+pub struct BibliographyEntry {
+    key: String,
+    note: Option<String>,
+    bib_type: BibliographyType,
+}
+
+pub type BibliographyEntryReference = Arc<Mutex<BibliographyEntry>>;
+
+
+impl BibliographyEntry {
+    /// Creates a new bibliography entry with the given key
+    pub fn new(key: String) -> Self {
+        Self {
+            key,
+            note: None,
+            bib_type: BibliographyType::Misc,
+        }
+    }
+
+    /// Returns the key of the bibliography entry
+    pub fn key(&self) -> String {
+        self.key.clone()
+    }
+}
+
diff --git a/src/bibliography/mod.rs b/src/bibliography/mod.rs
new file mode 100644
index 0000000..bcb8a62
--- /dev/null
+++ b/src/bibliography/mod.rs
@@ -0,0 +1,3 @@
+pub mod bibliography_entry;
+pub mod bibliography_dict;
+pub mod bib_types;
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index f03d154..5700712 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,14 +1,16 @@
 pub mod references;
+pub mod bibliography;
+pub mod bib_manager;
 
 #[cfg(test)]
 mod tests {
-    use crate::references::reference_manager::BibRefManager;
     use crate::references::bib_reference::BibRef;
+    use crate::bib_manager::BibManager;
 
     #[test]
     fn it_inserts_and_flattens() {
-        let manager = BibRefManager::new();
-        let root_anchor = manager.root_anchor();
+        let manager = BibManager::new();
+        let root_anchor = manager.root_ref_anchor();
         let mut root_anchor = root_anchor.lock().unwrap();
         root_anchor.insert(BibRef::new("test".to_string()));
         let child_anchor = root_anchor.create_anchor();
diff --git a/src/references/bib_reference.rs b/src/references/bib_reference.rs
index 854139e..a07d57c 100644
--- a/src/references/bib_reference.rs
+++ b/src/references/bib_reference.rs
@@ -1,13 +1,31 @@
+use crate::bibliography::bibliography_entry::BibliographyEntryReference;
+use std::sync::{Arc, Mutex};
+
+/// A reference to a bibliography entry
 #[derive(Clone, Debug)]
 pub struct BibRef {
     key: String,
+    anchor: Arc<Mutex<BibRefAnchor>>,
+}
+
+/// An anchor of a BibRef that can be used in a DOM to remember the place of a BibRef
+/// and to access the corresponding bibliography entry.
+#[derive(Clone, Debug)]
+pub struct BibRefAnchor {
+    entry: Option<BibliographyEntryReference>
 }
 
 impl BibRef {
     /// Creates a new BibRef with a given key
     pub fn new(key: String) -> Self {
         Self {
-            key
+            key,
+            anchor: Arc::new(Mutex::new(BibRefAnchor {entry: None}))
         }
     }
+
+    /// Returns the anchor of the BibRef
+    pub fn anchor(&self) -> Arc<Mutex<BibRefAnchor>> {
+        Arc::clone(&self.anchor)
+    }
 }
\ No newline at end of file
diff --git a/src/references/mod.rs b/src/references/mod.rs
index 653240e..3c12e15 100644
--- a/src/references/mod.rs
+++ b/src/references/mod.rs
@@ -1,3 +1,2 @@
-pub mod reference_manager;
 pub mod bib_reference;
 pub mod anchor;
\ No newline at end of file
diff --git a/src/references/reference_manager.rs b/src/references/reference_manager.rs
deleted file mode 100644
index 3b8b133..0000000
--- a/src/references/reference_manager.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-use std::sync::{Arc, Mutex};
-use crate::references::anchor::BibListAnchor;
-
-/// The root manager for references that should be used for further reference operations that
-/// go beyond insertion.
-#[derive(Clone, Debug)]
-pub struct BibRefManager {
-    root_anchor: Arc<Mutex<BibListAnchor>>,
-}
-
-impl BibRefManager {
-    /// Creates a new BibRefManager with an empty root anchor
-    pub fn new() -> Self {
-        Self {
-            root_anchor: Arc::new(Mutex::new(BibListAnchor::new()))
-        }
-    }
-
-    /// Returns the BibRefManagers root anchor that.
-    pub fn root_anchor(&self) -> Arc<Mutex<BibListAnchor>> {
-        Arc::clone(&self.root_anchor)
-    }
-}
\ No newline at end of file