Photograph of four members of the a cappella singing group Mixolydian during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. They are standing on stage, wearing large-brimmed hats and black and white clothes. Their songbooks are in their hands.

Photograph of a member of the Mixolydian a cappella group during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. He is positioned by very large bells and has sheet-music on a stand in front of him.

Photograph of some of the performers from the a cappella group Mixolydian during their show. They are holding out their boater hats and are also holding their songbooks in their hands. The group performed at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania.

Photograph of some of the female singers from the a cappella group Mixolydian on stage during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. They are wearing large hats and are holding songbooks in their hands.

Photograph of four of the a cappella Mixolydian singers on stage during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. They are all wearing black and white and have large hats on their heads. They are also holding their songbooks in front of them.

Photograph of singers in the a cappella group Mixolydian from the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. They are wearing boater hats and are holding their songbooks in their hands.

Photograph of Naomi Kauffman (green) and a CSLA Board member walking in the hallway. They are at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. Both are holding things in their hands.

Photograph of Pat Shufeldt sitting in a chair during an event with a stack of papers in her lap. Her nametag marks her as a member of the CSLA Board. She is at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania.

Photograph of a costumed performer at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. She is wearing a dark top, a wig, and a golden headband.

Photograph of a brochure/flyer that reads "A Service of Interfaith Worship; Church & Synagogue Library Association; 40th Annual Conference - Valley Forge, Pennsylvania; Sunday - July 15, 2007 - 9:00 a.m." It was from the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania.

Photograph of a shirt worn by an attendee of the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. The shirt reads "Congregational Collections Carolina Connections" and has the image of a bridge with the shape of South Carolina behind it.

Photograph of six attendees of the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. The one standing on the far left is a member of the CSLA Board. There is a publishing company's table behind them as well as a booth selling jewelry.

Photograph of a speaker at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. She is wearing a blue and white matching top and blazer and a pair of glasses. She is standing at a podium with a microphone in front of her.

Photograph of a speaker from the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. She is wearing a mic and a costume for her presentation, that includes a headcovering and matching dress.

Photograph of one of the speakers during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. She is wearing a costume and a microphone. She is looking at her hand in front of her.

Photograph of a speaker during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. She is seated on stage and has a basket of materials next to her. In her hands is a long strand of it that she is making into yarn. She is also wearing a costume for her performance.

Photograph of a speaker spooling yarn by hand while wearing a costume. She has a basket with more inside. The presentation took place at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania.

Photograph of a speaker at a podium during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. He has a microphone in front of him and is wearing a nametag that marks him as a member of the CSLA board.

Photograph of a speaker at a podium during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. He has a microphone in front of him and is wearing a nametag that marks him as a member of the CSLA board.

Photograph of Theodore Anderson speaking at the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. He is giving a presentation about Membership Development, he has a large paper-pad next to him with the words "Membership Development; A. Prospective Members; B. Goals", as well as different numbers written on it.

Photograph of three attendees sitting around a banquet table during the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. There are chips in a basket in front of them and desserts on the table. Other attendees are seen in the background, standing in the doorway.

Photograph of three attendees of the CSLA conference looking down at a paper. The one in the middle wearing a floral dress is wearing a name-tag that reads "Barbara Noecker". Her name-tag and the woman in blue's both have an added ribbon that reads "First Timer", meaning this is their first time at the conference.The conference was the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania.

Photograph of two attendees of the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania. They are sitting at a banquet table during an awards ceremony. There are drinks, food, and balloons on the table. The stage is set up behind them.

Photograph of two conference attendees looking at a book, the one in the red's name-tag reads "Carla Landis".The conference is the 40th anniversary Church and Synagogue Library Association conference held at the Inn at Valley Forge in King of Prussia, Pennsylvania.