PD-US-no notice; the Table of Contents page includes a statement "Reproduction of this book, in any form, is hereby prohibited without the express prior written permission of the editor", but the book lacks the then-required statement "Copyright 1970 [copyright holder]"
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description=en:Robert Creeley, from the 1970 ''Buffalonian'' (University at Buffalo student yearbook) {{PD-US-no notice}} (permission data to be fixed following Commonist upload) |Source=''Buffalonian'', Volume XXXVII, State Universi