Paper program booklet with image of light blue sky on the cover. Typed text throughout booklet. Contains introductory remarks from Executive Director Dr. Zipora Gur, agenda for conference with summaries describing each presentation, biographies of presenters, descriptions of exhibits associated with the conference, resource lists, acknowledgements, and evaluation form.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Be Strong" and other floral and geometric motifs. Signed "Nikoletta" on the right. The back contains a handwritten note, "Stronger Together" sticker, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Keep going" and a pattern with flowers, leaves, arrows, and shooting stars. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in blue marker. The message reads: "We will love, no matter."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Our dear brothers and sisters at Tree of Life, You are not alone! I pray that God, our father, will fill you to overflowing with His peace and love as you mourn the loss of your family. May you find comfort in the knowledge that even in this tragedy God is in control and will bring beauty from the ashes. 'My comfort in my suffering in this: Your promise preserves my life.' Psalm 119:50."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Be Strong" and other floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Folded card with marker and colored pencil illustration. Front and back cover feature spread of tree emerging from blue field. Interior features scribbles and name "Veronica." Additional message reads "Our hearts go out to you at this tragic time, along with our wishes for healing. The Beth Chai Congregation of Greater Washington, D.C."

White and purple envelope with handwritten inscription in blue ink addressed: "To: The family of Tree of Life." The location of the sender's home, Norfolk, Virginia, is inscribed in the lower left corner. The upper flap on the envelope's reverse is inscribed with the following note: "We are so broken hearted for your loss." Staining and creasing due to exposure to the elements at the Wilkins memorial.

Handout on grief, trauma, and critical incident stress debriefing, which was sent with the materials from Emergency Ministry Services, a faith-based training and disaster response NGO in San Juan Capistrano, Ca., affiliated with the Orange County Church on the Rock.

Black poster with several items affixed to it, including a black and red heart in the upper right corner and various pieces of paper with printed and handwritten inscriptions. Blank back.

Post-it note with handwritten message in blue ink. The message reads: "We love [heart] Tree of Life." Staining and color bleeding due to exposure to the elements at the Wilkins memorial.

Card made by a student from the George Washington University Hillel. The front cover reads: "Hugs" with asterisks on either side. The inside (from right to left) reads: "Sending you messages of hope, love, and comfort from Washington D.C. Love, Alex. May God be with you and your families."

White posterboard folded into a card with a white plant stenciled on the front. Stencil done with sponge and multiple colors of paint. Interior includes a handwritten message and signatures to Tree of Life. Back has a message written in pencil and bleed through from markers.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "To my brothers and sisters: I can't begin to tell you how sorry I feel that the actions of one person this past week affected the Jewish families in our [?] country... Please know that my prayers and thoughts are with you. I know that God will us. I love you always."

Prayer sheet for a memorial service at Beth Israel Congregation in Washington, Pa. Includes poem titled "Elijah," words to Psalm 121 in Hebrew and English, and a traditional blessing for mourners known as "Hamakom yenachem" presented in Hebrew, transliterated Hebrew, and English.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside affirms God's support and contains prayers for the families and community. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in blue ink. The note is written in Hebrew. Translated into English, the message reads: "May their memories be for a blessing. May God avenge their blood."

Typed two-page letter addressed to the Tree of Life synagogue, families of victims, and survivors. Dated Sunday Nov. 4, 2018. The letter includes tributes from multiple individuals throughout western and central Pennsylvania, including Allegheny, Beaver, Elk, Washington, and Westmoreland counties.