- cross link for concrete helper classes

- remove redundant concrete helper docs from declarative docs,
two places is enough

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/sqlalchemy/ext/declarative/api.py b/lib/sqlalchemy/ext/declarative/api.py
index dfc47ce95..5fe427bc2 100644
--- a/lib/sqlalchemy/ext/declarative/api.py
+++ b/lib/sqlalchemy/ext/declarative/api.py
@@ -397,6 +397,15 @@ class ConcreteBase(object):
                             'polymorphic_identity':'manager',
                             'concrete':True}
 
+    .. seealso::
+
+        :class:`.AbstractConcreteBase`
+
+        :ref:`concrete_inheritance`
+
+        :ref:`inheritance_concrete_helpers`
+
+
     """
 
     @classmethod
@@ -495,6 +504,13 @@ class AbstractConcreteBase(ConcreteBase):
        have been reworked to support relationships established directly
        on the abstract base, without any special configurational steps.
 
+    .. seealso::
+
+        :class:`.ConcreteBase`
+
+        :ref:`concrete_inheritance`
+
+        :ref:`inheritance_concrete_helpers`
 
     """