Post-it note with handwritten message in blue ink. The message reads: "We are here."

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 reads: The church's contact information is included on the back of the envelope. "Our hearts are burdened by what happened in Pittsburgh. We know that we serve the same G-d and the G-d of the Old and New Testaments does not call us to violence each other. We pray for healing in Pittsburgh, in synagogues throughout America and for love from all churches.

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.

Folded card with marker and colored pencil illustrations. Front and back both feature Stars of David encircled by hearts. Inside shows a tree and a cat and is signed "Will".

Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "To the Pittsburgh community, We are a city built on steel and kindness and held up by a thriving Jewish community. I miss my home, my city so much right now, but I know that you are strong. I send all my love."

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.

Post-it note with handwritten message in pink marker. The message reads: "Our hearts cry with yours for shalom." Signed with a heart, cross, and Star of David.

Zine page with bubble letters and information about the emotional value of hugs. Zine page with cartoon imagery and information about the value of hugs. A young boy hugs a globe, beneath the inscription: "Embrace the world one hug at a time."

Post-it note with handwritten message in black marker. The message reads: "Sending love from Detroit, MI." Tape on the upper edge.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "LOVE." The inside reads: "Remembering all of you and sending prayers and healing thoughts from St. Peter's Parish in Londonderry NH. Love, Sandi [heart]."

Post-it note with handwritten message in blue marker. The message reads: "When there is dark be the one who turns on the light."

Handwritten letter written in black ink on lined notebook paper from Jennifer of Indiana, Pa.

Card with photograph of ribbons laid out in a rainbow pattern. The inside reads: "God bless. Sandy and Cheri."

Paper with photocopied excerpts from two passages titled "November 1." The first passage is the Prayer of Joy. The second passage is a quote from Max [redacted], a minister in San Antonio, Tx. The back contains a handwritten message from Denise, a resident of the North Side section of Pittsburgh.

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

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.

Folded card with repeating diagonal plaid pattern in green and dark blue marker on yellow paper. The inside contains the following words in a cloud-shaped bubble with emanating light rays: "I am sorry for what happened. It will be ok. [Heart]." A Star of David surrounded by tiny dots appears in the upper left corner.

Card on blue paper with handwritten note and illustrations. The card reads: "From: Luke. We love you!" Six hearts illustrated in brown and pink pencil appear throughout. Creasing, staining, and fading due to exposure to the elements at the Wilkins memorial.

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.