| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The Empty Cradle: How Falling Birthrates Threaten World Prosperity And What To Do About It | Paperback | 978-0-465-04172-5 (0-465-04172-8) | 2005 |
| The Empty Cradle: How Falling Birthrates Threaten World Prosperity And What To Do About It | Hardcover | 978-0-465-05050-5 (0-465-05050-6) | 2004 |
Philip L. · Philip Langner · Philipp Langeheinecke · Philipp Langmann · Philipp Lensing · Philipp Lenssen · Philippe Lançon · Phillip Longman