Handwritten card in blue marker expressing condolences and affirming belief in the resilience of the Jewish people. Signed with the phrase "Am Yisrael Chai" (The People of Israel Live).

Floral tag from floral arrangement addressed to Tree of Life synagogue. The message is printed on a tag from a local florist.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark.

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 is dated 10/28/18 and reads: "know that God see you all and may the peace that surpasses all understanding fill your hearts. You all will be in my prayers! -Amen." The church's contact information is included on the back of the envelope.

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 confirms God's love and urges the reader not to let hate triumph over faith. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in black marker. The message reads: "We wish you peace and love from NY. The Brodys."

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: "Our thoughts and prayers are with you all. God is with you always. God Bless." The church's contact information is included on the back of the envelope.

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 the sender's belief in God. The church's contact information is included on the back of the envelope.

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.

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 on yellow paper with red and green stains. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Eight photocopies of an image with the words "You Are Not Alone" printed in a rectangular object resembling a flag with bands, resembling woodgrain backing, on the upper and lower edges. Staining due to exposure to the elements at the Wilkins memorial.

Handwritten note in black ink on lined notepad paper. The note reads: "Pop Up Conversation and [F]ree Listening." Extensive tearing and staining throughout due to exposure to the elements at the Wilkins memorial.

Blank pink envelope with tape affixed on the reverse. Staining and fading due to exposure to the elements at the Wilkins memorial.

Print outs with English and Hebrew lyrics from popular Jewish and Israeli artists and poets, including Hannah Szenes (Senesh), Arik Einstein, Matisyahu, and Rabbi Nachman of Breslov. A handwritten note in blue ink reading "May your memory be eternal" appears on the second page.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "We are shocked that this individual felt he could do such a thing. Who gave him the power to act as God? All our prayers are with your community and faith. Blessings! A sad Presbyterian member!"

Engraved aluminum medallion attached to gray ribbon. Medallion features engraving of Pittsburgh skyline, bordered by design resembling bridges and the words "Stronger Than Hate." Accompanying card provides context for medallion against a yellow and white gradient with black text. Includes quotation from Dr. Martin Luther King, Jr.