> For the complete documentation index, see [llms.txt](https://docs.big-brain.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.big-brain.co/apps/data-cleaning/data-cleaning-form/sources.md).

# Sources

#### Sources

The available sources are

* [Parvenu](/apps/data-cleaning/data-cleaning-form/sources/parvenu.md) - best option for finding emails from Linkedin
* [Sales Navigator Search ](/apps/data-cleaning/data-cleaning-form/sources/sales-navigator-search.md)- this option does not find email addresses
* [Google Sheets](#sheets) - import your own custom data
* [Mailshake](/apps/data-cleaning/integrations/mailshake.md) - Sync Mailshake contacts with Big Brain and send them to a Linkedin campaign for multi-channel outreach. 

{% hint style="info" %}
All Google Sheets must having sharing set to publicly editable. 
{% endhint %}

You can view how to configure each source separately below. 

{% content-ref url="/pages/nA9B6rWCpCHiKpvh7qAJ" %}
[Parvenu](/apps/data-cleaning/data-cleaning-form/sources/parvenu.md)
{% endcontent-ref %}

{% content-ref url="/pages/8Dee2e4DdXfrHveZOJ6w" %}
[Sales Navigator Search](/apps/data-cleaning/data-cleaning-form/sources/sales-navigator-search.md)
{% endcontent-ref %}

{% content-ref url="/pages/4t0YNwTX8E0E8vqhK9cq" %}
[Google Sheets](/apps/data-cleaning/data-cleaning-form/destinations/google-sheets.md)
{% endcontent-ref %}

{% content-ref url="/pages/O5JhfshoQsFwj98ckXQM" %}
[Mailshake](/apps/data-cleaning/integrations/mailshake.md)
{% endcontent-ref %}


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.big-brain.co/apps/data-cleaning/data-cleaning-form/sources.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.