References, format specification, inspiration
@@ -119,3 +119,22 @@ case "MTE":
```
Pull request require a batchMTE_test.go file that covers the logic of the type.
+
+## References
+* [Wikipeda: Automated Clearing House](http://en.wikipedia.org/wiki/Automated_Clearing_House)
+* [Nacha ACH Network: How it Works](https://www.nacha.org/ach-network)
+* [Federal ACH Directory](https://www.frbservices.org/EPaymentsDirectory/search.html)
+
+## Format Specification
+* [NACHA ACH File Formatting](https://www.nacha.org/system/files/resources/AAP201%20-%20ACH%20File%20Formatting.pdf)
+* [PNC ACH File Specification](http://content.pncmc.com/live/pnc/corporate/treasury-management/ach-conversion/ACH-File-Specifications.pdf)
+* [Thomson Reuters ACH FIle Structure](http://cs.thomsonreuters.com/ua/acct_pr/acs/cs_us_en/pr/dd/ach_file_structure_and_content.htm)
+* [Gusto: How ACH Works: A developer perspective](http://engineering.gusto.com/how-ach-works-a-developer-perspective-part-4/)
+
+![ACH File Layout](https://github.com/moov-io/ach/blob/master/documentation/ach_file_structure_shg.gif)
+
+## Inspiration
+* [ACH:Builder - Tools for Building ACH](http://search.cpan.org/~tkeefer/ACH-Builder-0.03/lib/ACH/Builder.pm)
+* [mosscode / ach](https://github.com/mosscode/ach)
+* [Helper for building ACH files in Ruby](https://github.com/jm81/ach)
+* [Glenselle / nACH2](https://github.com/glenselle/nACH2)
