1 files changed, 23 insertions, 0 deletions
diff --git a/spy.bib b/spy.bib
index 073fb01..c36e16e 100755
--- a/spy.bib
+++ b/spy.bib
@@ -126,3 +126,26 @@
   edition   = {First Edition},
   volume    = {},
 }
+
+@book{kahn1967,
+  title     = {The Codebreakers: The Story Of Secret Writing},
+  author    = {David Kahn},
+  publisher = {The Macmillan Company},
+  isbn      = {0025604600, 9780025604605, 0297767852, 9780297767855},
+  year      = {1967},
+  series    = {},
+  edition   = {1st Editon},
+  volume    = {},
+  url       = {https://archive.org/details/codebreakerssto00kahn},
+}
+
+@book{kahn1996,
+  title     = {The CodeBreakers},
+  author    = {David Kahn},
+  publisher = {Scribner},
+  isbn      = {9780684831305,0684831309},
+  year      = {1996},
+  series    = {},
+  edition   = {Rev Sub},
+  volume    = {},
+}