diff --git a/emacs.nix b/emacs.nix
index e068b74..2e98b1c 100644
--- a/emacs.nix
+++ b/emacs.nix
@@ -542,6 +542,26 @@ in {
           (advice-add #'org-babel-execute:python :before #'my/org-babel-execute:python-session)
         '';
       };
+
+      org-ref = {
+        enable = true;
+        config = ''
+          (setq org-ref-insert-cite-function
+                (lambda ()
+          	(org-cite-insert nil)))
+        '';
+      };
+
+      calibredb = {
+        enable = true;
+        extraPackages = [ pkgs.sqlite ];
+        config = ''
+          (setq calibredb-root-dir "~/Documents/calibre-library")
+          (setq calibredb-db-dir (expand-file-name "metadata.db" calibredb-root-dir))
+          (setq calibredb-library-alist '(("~/Documents/calibre-library")))
+          (setq sql-sqlite-program "${pkgs.sqlite}/bin/sqlite3")
+        '';
+      };
     };
   };
 }
diff --git a/programs.nix b/programs.nix
index 29c6829..460a462 100644
--- a/programs.nix
+++ b/programs.nix
@@ -69,7 +69,9 @@
       };
       shellAliases = {
         em = "emacsclient -c";
-        emt = "emacsclient -c -nw";
+        emw = "emacsclient -c -nw";
+        ew = "emacs -nw";
+        e = "$EDITOR";
         np = "nix-shell -p";
         hms = "home-manager switch";
       };