diff --git a/src/lending/book.py b/src/lending/book.py
index e805248..e284a3b 100644
--- a/src/lending/book.py
+++ b/src/lending/book.py
@@ -3,7 +3,7 @@
 from protean import handle
 from protean.fields import String
 
-from lending import HoldPlaced
+from lending.patron import HoldPlaced
 from lending.domain import lending
 
 
diff --git a/src/lending/checkout_service.py b/src/lending/checkout_service.py
index f496ffa..30c51f5 100644
--- a/src/lending/checkout_service.py
+++ b/src/lending/checkout_service.py
@@ -2,7 +2,8 @@
 from protean.exceptions import ValidationError
 from protean.fields import Identifier
 
-from lending import Book, BookType, Checkout, HoldStatus, Patron, PatronType
+from lending.patron import Checkout, HoldStatus, Patron, PatronType
+from lending.book import Book, BookType
 from lending.domain import lending
 
 
diff --git a/src/lending/daily_sheet_service.py b/src/lending/daily_sheet_service.py
index 1f763b5..38654fe 100644
--- a/src/lending/daily_sheet_service.py
+++ b/src/lending/daily_sheet_service.py
@@ -1,7 +1,8 @@
 from datetime import date
 
-from lending import Book, HoldStatus, Patron
+from lending.book import Book
 from lending.domain import lending
+from lending.patron import HoldStatus, Patron
 
 
 @lending.domain_service(part_of=[Patron, Book])
diff --git a/src/lending/holding_service.py b/src/lending/holding_service.py
index dcd370d..e32ab4e 100644
--- a/src/lending/holding_service.py
+++ b/src/lending/holding_service.py
@@ -4,17 +4,8 @@
 from protean.exceptions import ValidationError
 from protean.fields import Identifier
 
-from lending import (
-    Book,
-    BookStatus,
-    BookType,
-    Hold,
-    HoldPlaced,
-    HoldStatus,
-    HoldType,
-    Patron,
-    PatronType,
-)
+from lending.book import Book, BookStatus, BookType
+from lending.patron import Hold, HoldPlaced, HoldStatus, HoldType, Patron, PatronType
 from lending.domain import lending