diff --git a/skimage/feature/interest.py b/skimage/feature/interest.py
index 1e2a86af..ef47e7cf 100644
--- a/skimage/feature/interest.py
+++ b/skimage/feature/interest.py
@@ -69,6 +69,11 @@ def harris(image, method='k', k=0.05, eps=1e-6, sigma=1):
     response : ndarray
         Harris response image.
 
+    References
+    ----------
+    ..[1] http://kiwi.cs.dal.ca/~dparks/CornerDetection/harris.htm
+    ..[2] http://en.wikipedia.org/wiki/Corner_detection
+
     Examples
     -------
     >>> from skimage.feature import harris, peak_local_max
@@ -127,6 +132,11 @@ def shi_tomasi(image, sigma=1):
     response : ndarray
         Shi-Tomasi response image.
 
+    References
+    ----------
+    ..[1] http://kiwi.cs.dal.ca/~dparks/CornerDetection/harris.htm
+    ..[2] http://en.wikipedia.org/wiki/Corner_detection
+
     Examples
     -------
     >>> from skimage.feature import shi_tomasi, peak_local_max
diff --git a/skimage/feature/interest_cy.pyx b/skimage/feature/interest_cy.pyx
index b14e3f6a..ae49faf1 100644
--- a/skimage/feature/interest_cy.pyx
+++ b/skimage/feature/interest_cy.pyx
@@ -30,6 +30,7 @@ def moravec(image, int window_size=1):
     References
     ----------
     ..[1] http://kiwi.cs.dal.ca/~dparks/CornerDetection/moravec.htm
+    ..[2] http://en.wikipedia.org/wiki/Corner_detection
 
     Examples
     -------