diff --git a/docs/api-reference.rst b/docs/api-reference.rst
deleted file mode 100644
index 41046f78bf..0000000000
--- a/docs/api-reference.rst
+++ /dev/null
@@ -1,34 +0,0 @@
-API Reference
-=============
-
-The following classes and methods constitute the Spanner client.
-Most likely, you will be interacting almost exclusively with these:
-
-.. toctree::
-    :maxdepth: 1
-
-    client-api
-    instance-api
-    database-api
-    table-api
-    session-api
-    keyset-api
-    snapshot-api
-    batch-api
-    transaction-api
-    streamed-api
-
-
-The classes and methods above depend on the following, lower-level
-classes and methods. Documentation for these is provided for completion,
-and some advanced use cases may wish to interact with these directly:
-
-.. toctree::
-    :maxdepth: 1
-
-    spanner_v1/services
-    spanner_v1/types
-    spanner_admin_database_v1/services
-    spanner_admin_database_v1/types
-    spanner_admin_instance_v1/services
-    spanner_admin_instance_v1/types
diff --git a/docs/client-usage.rst b/docs/client-usage.rst
index ce13bf4aa0..7ba3390e59 100644
--- a/docs/client-usage.rst
+++ b/docs/client-usage.rst
@@ -1,5 +1,5 @@
-Spanner Client
-==============
+Spanner Client Usage
+====================
 
 .. _spanner-client:
 
diff --git a/docs/database-usage.rst b/docs/database-usage.rst
index 629f1ab28a..afcfa06cb2 100644
--- a/docs/database-usage.rst
+++ b/docs/database-usage.rst
@@ -1,5 +1,5 @@
-Database Admin
-==============
+Database Admin Usage
+====================
 
 After creating an :class:`~google.cloud.spanner_v1.instance.Instance`, you can
 interact with individual databases for that instance.
diff --git a/docs/index.rst b/docs/index.rst
index a4ab1b27d7..0e7f24d6e7 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -5,27 +5,48 @@
 Usage Documentation
 -------------------
 .. toctree::
-  :maxdepth: 1
-  :titlesonly:
+  :maxdepth: 2
 
   client-usage
-  instance-usage
-  database-usage
   table-usage
   batch-usage
   snapshot-usage
   transaction-usage
 
+  database-usage
+  instance-usage
+
 API Documentation
 -----------------
 .. toctree::
   :maxdepth: 1
   :titlesonly:
 
-  api-reference
   advanced-session-pool-topics
   opentelemetry-tracing
 
+  spanner_v1/client
+  spanner_v1/instance
+  spanner_v1/database
+  spanner_v1/table
+  spanner_v1/session
+  spanner_v1/keyset
+  spanner_v1/snapshot
+  spanner_v1/batch
+  spanner_v1/transaction
+  spanner_v1/streamed
+
+  spanner_v1/services
+  spanner_v1/types
+  spanner_admin_database_v1/services
+  spanner_admin_database_v1/types
+  spanner_admin_database_v1/database_admin
+  spanner_admin_instance_v1/services
+  spanner_admin_instance_v1/types
+  spanner_admin_instance_v1/instance_admin
+
+
+
 Changelog
 ---------
 
diff --git a/docs/instance-usage.rst b/docs/instance-usage.rst
index 55042c2df3..b45b69acc6 100644
--- a/docs/instance-usage.rst
+++ b/docs/instance-usage.rst
@@ -1,5 +1,5 @@
-Instance Admin
-==============
+Instance Admin Usage
+====================
 
 After creating a :class:`~google.cloud.spanner_v1.client.Client`, you can
 interact with individual instances for a project.
diff --git a/docs/batch-api.rst b/docs/spanner_v1/batch.rst
similarity index 100%
rename from docs/batch-api.rst
rename to docs/spanner_v1/batch.rst
diff --git a/docs/client-api.rst b/docs/spanner_v1/client.rst
similarity index 100%
rename from docs/client-api.rst
rename to docs/spanner_v1/client.rst
diff --git a/docs/database-api.rst b/docs/spanner_v1/database.rst
similarity index 100%
rename from docs/database-api.rst
rename to docs/spanner_v1/database.rst
diff --git a/docs/instance-api.rst b/docs/spanner_v1/instance.rst
similarity index 100%
rename from docs/instance-api.rst
rename to docs/spanner_v1/instance.rst
diff --git a/docs/keyset-api.rst b/docs/spanner_v1/keyset.rst
similarity index 100%
rename from docs/keyset-api.rst
rename to docs/spanner_v1/keyset.rst
diff --git a/docs/session-api.rst b/docs/spanner_v1/session.rst
similarity index 100%
rename from docs/session-api.rst
rename to docs/spanner_v1/session.rst
diff --git a/docs/snapshot-api.rst b/docs/spanner_v1/snapshot.rst
similarity index 100%
rename from docs/snapshot-api.rst
rename to docs/spanner_v1/snapshot.rst
diff --git a/docs/streamed-api.rst b/docs/spanner_v1/streamed.rst
similarity index 100%
rename from docs/streamed-api.rst
rename to docs/spanner_v1/streamed.rst
diff --git a/docs/table-api.rst b/docs/spanner_v1/table.rst
similarity index 100%
rename from docs/table-api.rst
rename to docs/spanner_v1/table.rst
diff --git a/docs/transaction-api.rst b/docs/spanner_v1/transaction.rst
similarity index 100%
rename from docs/transaction-api.rst
rename to docs/spanner_v1/transaction.rst
diff --git a/docs/table-usage.rst b/docs/table-usage.rst
index 9d28da1ebb..01459b5f8e 100644
--- a/docs/table-usage.rst
+++ b/docs/table-usage.rst
@@ -1,5 +1,5 @@
-Table Admin
-===========
+Table Admin Usage
+=================
 
 After creating an :class:`~google.cloud.spanner_v1.database.Database`, you can
 interact with individual tables for that instance.